Pennsylvania · Commercial physical security
Pennsylvania Security Company Directory
Compare security-system providers by location and published capabilities. Browse commercial video surveillance, access control, alarms, fire and life safety, monitoring, integration and supporting infrastructure.
Listings are alphabetical. NERSA and competing providers use the same factual format. NERSA is affiliated with this resource; inclusion is not an endorsement, paid ranking, certification or verification of licensing. Confirm current capabilities, credentials, terms and availability directly with each provider.
Showing 88 entries. Regional labels indicate researched offices or coverage, not a promise of statewide service.
Looking for company details? Read the full NERSA profile. For provider evaluation, use the security buyer checklist.
East Pennsylvania
215Secure
Doylestown
published business address
Doylestown provider of electronic security and fire-alarm solutions for commercial facilities and multifamily properties.
Published services: Access control, intrusion detection, surveillance, monitoring, virtual security, fire alarms.
Location details and sources
Published address: 350 South Main Street, Unit 107, Doylestown, PA 18901
Business scope: Commercial and managed multifamily
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
ACT Security Services LLC (AlarmTech)
Pocono Lake
PA office city published; street address not confirmed
Low-voltage and life-safety contractor with a Pocono Lake office providing security, video and fire-alarm systems.
Published services: Fire alarms, security alarms, video, access control, monitoring, communications, structured cabling.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
ADT — Small Business
Horsham
Published ADT location; small-business services verified separately
ADT offers monitored small-business security, video surveillance, access control and remote management. Its Philadelphia-area location page lists an office in Horsham.
Published services: Intrusion detection, Video surveillance, Access control, Business automation, Professional monitoring, Multi-site management.
Location details and sources
Published address: 231–253 Gibraltar Road, Horsham, PA 19044
Business scope: Small business; company also serves residential customers
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Alarm Service & Maintenance Co., Inc.
Spring Grove
office
Spring Grove company offering commercial and residential alarm, camera and access-control services in York, Adams and Lancaster counties.
Published services: commercial security systems, access control, video surveillance, fire alarms.
Location details and sources
Published address: 1835 Westside Lane, Spring Grove, PA 17362
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Alarm Tech Systems Inc.
Reading
city and phone published in official page title; street not confirmed
Reading-area provider of alarm-system design, installation, video surveillance, access control and monitoring.
Published services: Fire alarms, security systems, video surveillance, access control, monitoring.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Alert 360 (formerly My Alarm Center)
Collegeville
Published Philadelphia branch office
Alert 360 provides monitored business and home security. Its Philadelphia branch is in Collegeville, and My Alarm Center's website now redirects to Alert 360.
Published services: Intrusion alarms, Video surveillance, Access control, Remote video monitoring, Professional monitoring.
Location details and sources
Published address: 3770 Ridge Pike, Barn B Building, Collegeville, PA 19426
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
All Points Security, Inc.
Lionville
mailing address only
Chester County provider of commercial and residential security, fire alarms, cameras and electronic access systems.
Published services: Alarms, fire systems, access control, camera systems, monitoring, lock services.
Location details and sources
Published address: P.O. Box 504, Lionville, PA 19353
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Alwine Security LLC
Brownstown
office
Brownstown-based security company providing commercial alarms, surveillance and controlled entry across Lancaster, Harrisburg and York.
Published services: alarm monitoring, fire alarms, access control, video surveillance.
Location details and sources
Published address: 208 East Main Street, Brownstown, PA 17508
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
ATA Security Systems
Chambersburg
office
Chambersburg security-systems provider serving commercial, institutional and residential customers with alarms, cameras and entry-control systems.
Published services: access control, video surveillance, intercoms, fire alarms.
Location details and sources
Published address: 150 Farm Credit Drive, Chambersburg, PA 17202
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Barrier Protection Systems Inc.
McKeesport
office
Supplies commercial camera, access-control and intrusion systems, with fire alarms, intercoms and locksmith services also available.
Published services: Video surveillance, Access control, Intrusion alarms, Fire alarms, Intercoms, Locksmith services.
Location details and sources
Published address: 415 Lysle Blvd., McKeesport, PA 15132
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Berkshire Systems Group, Inc.
Shillington
headquarters location; Reading-area postal address
Reading-area systems integrator providing building security, life safety and communications for businesses and organizations.
Published services: Intrusion systems, access control, video, door entry, fire alarms, communications.
Berkshire Systems Group and SAH are affiliated sister brands; shown by their published business names.
Location details and sources
Published address: 50 South Museum Road, Shillington, PA 19607
Business scope: Commercial and institutional
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Berley Security
Philadelphia service area / Delaware Valley
Pennsylvania service coverage; published contact office is outside PA
Berley Security advertises commercial and residential alarm, camera and monitoring services in the Philadelphia region. Its published contact office is in Wilmington, Delaware.
Published services: Security alarms, Video surveillance, Monitoring.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Bettwy Systems, Inc.
Duncansville
office
Duncansville integrator designing, installing and servicing security, life-safety and communication systems for Central Pennsylvania organizations.
Published services: access control, intrusion detection, surveillance systems, fire protection, intercoms, communications.
Location details and sources
Published address: 1560 Mill Road, Duncansville, PA 16635
Business scope: commercial and institutional
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Biz Communications
Western Pennsylvania
Western Pennsylvania service area; exact office city not verified
Provides camera systems, door controls and communications infrastructure for offices, warehouses and factories in western Pennsylvania.
Published services: Video surveillance, Door controls, Structured cabling, Business networking.
Location details and sources
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Brunell & Sons Inc.
Philadelphia
published business address
Philadelphia provider of electronic security and locksmith services, including access control, cameras and alarm systems.
Published services: Access control, video surveillance, security alarms, locksmith services.
Location details and sources
Published address: 8701 Torresdale Avenue, Unit K, Philadelphia, PA 19136
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Bulldog Lock and Safe LLC
Meadville
store
Installs and services commercial locks, door hardware, access control, CCTV and intercom systems, with safe and residential locksmith services also offered.
Published services: Access control, Video surveillance, Intercoms, Commercial doors and hardware, Locksmith services.
Location details and sources
Published address: 16325 Conneaut Lake Road, Meadville, PA 16335
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Cholin Corp., Inc.
South Williamsport
office
South Williamsport provider of fire-alarm and security-system services for commercial, institutional and other properties.
Published services: fire alarms, security systems, surveillance cameras, alarm monitoring.
Use the official website for current contact details.
Location details and sources
Published address: 1427 W. Southern Ave., South Williamsport, PA 17702
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
City Surveillance Pittsburgh
Western Pennsylvania
Greater Pittsburgh service area; office not verified
Installs commercial surveillance systems for Pittsburgh-area businesses, including indoor and outdoor cameras, recorded video and remote viewing.
Published services: Video surveillance, Camera installation, Remote viewing.
Location details and sources
Business scope: Commercial services verified
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Computer Visionaries, Inc.
Pittston
published business address
Pittston technology provider offering electronic security, cabling and business-network services.
Published services: Access control, burglar alarms, fire alarms, video surveillance, structured cabling, IT networking.
Location details and sources
Published address: 1075 Oak Street, Pittston, PA 18640
Business scope: Business systems
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Convergint
Canonsburg
Pittsburgh-area technology center
Convergint designs, installs and maintains integrated electronic security and life-safety systems. Its Pittsburgh-area technology center supports commercial and institutional organizations.
Published services: Access control, Video surveillance, Intrusion detection, Fire and life safety, Systems integration, Alarm monitoring, Maintenance, Managed services.
Location details and sources
Published address: 121 Hillpointe Drive, Canonsburg, PA 15317
Business scope: Commercial, institutional and enterprise
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Coulson Security Systems LLC
South Central Pennsylvania
service area only; office address not verified
South Central Pennsylvania provider of home and business electronic security, including alarms, cameras and commercial entry control.
Published services: alarm systems, camera systems, commercial access control.
Location details and sources
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Crime Intervention Alarm
York
office
York-based provider of commercial surveillance, entry control, intrusion and fire systems, including support for property managers.
Published services: video surveillance, access control, intrusion detection, fire alarms, equipment repair.
An Altus Fire & Life Safety company.
Location details and sources
Published address: 1377 Spahn Ave., York, PA 17403
Business scope: commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Davis Security Solutions, LLC
Greenville
office
Provides video surveillance, access-control and business technology systems from Greenville, including support for commercial and residential properties.
Published services: Video surveillance, Access control, Door phones, Business communications, Networking.
Location details and sources
Published address: 6 S High St, Greenville, PA 16125
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
DirSolutions LLC
Williamsport and Central Pennsylvania
service area only; office address not verified
Provider of security cameras, controlled-entry systems and network services for homes and businesses in the Williamsport and Central PA area.
Published services: video surveillance, access control, network installation.
Location details and sources
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
DM2 Security
Schuylkill Haven
Published office; official site also identifies Allentown presence
DM2 Security installs and services alarm, video, access-control and intercom systems for homes and businesses, with offices identified in Schuylkill Haven and Allentown.
Published services: Intrusion alarms, Fire alarms, Video surveillance, Access control, Intercom systems, Monitoring, Installation and maintenance.
Location details and sources
Published address: 988 East Main Street, Schuylkill Haven, PA 17972
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Dobil Laboratories, Inc.
Western Pennsylvania
Pittsburgh service market; current office address not verified
Delivers surveillance, access-control and life-safety systems alongside audiovisual integration for business, educational and institutional environments.
Published services: Fire alarms, Video surveillance, Access control, Mass notification, System inspection, Commercial AV.
Location details and sources
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
East Coast Security Associates, Inc.
Warminster
mailing address only
Commercial security and life-safety provider serving Philadelphia-area facilities, including healthcare and property-management customers.
Published services: Fire alarms, security systems, access control, video, inspections, monitoring.
Location details and sources
Published address: P.O. Box 148, Warminster, PA 18974
Business scope: Commercial and industrial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Electronic Communication Services, Inc. (ECS)
Erie
office
Provides controlled-entry, surveillance, communications and cabling systems for business properties, with hospitality work also described on its website.
Published services: Access control, Video surveillance, Structured cabling, Business communications.
Location details and sources
Published address: 4626 Peach St, Erie, PA 16509
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
ETG Communications
Erie
office
Installs and maintains business cameras, door access systems, cabling and communications for businesses, schools and nonprofit organizations.
Published services: Video surveillance, Access control, Structured cabling, Business communications.
Location details and sources
Published address: 2835 Pearl Ave., Erie, PA 16510
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Everon
Cranberry Township
branch
Provides integrated security, fire and life-safety systems from its Cranberry Township branch for Pittsburgh, central Pennsylvania and nearby markets.
Published services: Intrusion alarms, Video surveillance, Access control, Fire alarms, Alarm monitoring, Remote video monitoring, Structured cabling, System integration.
National provider; the verified western Pennsylvania branch is in Cranberry Township.
Location details and sources
Published address: 9155 Marshall Road, Cranberry Township, PA 16066
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Everon Electrical Contractors, Inc.
Moosic
physical location
Electrical contractor offering commercial security and alarm installation alongside electrical and communications work.
Published services: Commercial security alarms, CCTV, electrical contracting, voice and data installations.
Distinct company from the national Everon security provider.
Location details and sources
Published address: 325 Gleason Drive, Moosic, PA 18507
Business scope: Commercial and industrial; also residential automation
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Fidelity Alarm
Philadelphia
Published office
Fidelity Alarm installs and services alarm, camera and keycard-access systems for commercial and residential customers from its Philadelphia office.
Published services: Burglar alarms, Fire alarms, Video surveillance, Keycard access control, Monitoring, Installation and maintenance.
Location details and sources
Published address: 1900 Woodhaven Road, Philadelphia, PA 19116
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central / West Pennsylvania
FlyLock Security Solutions — Pennsylvania locations
Lemoyne; Carnegie
Local franchise offices
Commercial locksmith and physical-security services through Central PA and Pittsburgh franchise locations. Contact the relevant office for system scope and availability.
Published services: access control, security cameras, intercoms, door hardware, commercial locksmith services.
Pittsburgh / Carnegie: 412-888-0040
Central PA and Pittsburgh franchise locations are grouped under one brand.
Location details and sources
Published address: 1300 Market St. #12, Lemoyne, PA 17043
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Fortera, LLC
Pittsburgh
office
Installs and services cloud-managed physical security systems for Pittsburgh-area organizations, alongside document-security and managed-print services.
Published services: Video surveillance, Access control, Alarms and sensors, Document security.
Formerly CDI Office Technologies; not a separate duplicate provider.
Location details and sources
Published address: 730 Holiday Drive, #340, Pittsburgh, PA 15220
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Fox Brothers Alarms
Easton
office
Easton alarm company serving homes, businesses, schools and government facilities with security and fire systems.
Published services: Burglar alarms, fire alarms, video surveillance, access control, monitoring.
Location details and sources
Published address: 3411 Sullivan Trail, Easton, PA 18040
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Guardian Protection
Warrendale
office
Offers business security systems, remote video monitoring, access control and multi-site management for Pittsburgh-area commercial customers.
Published services: Video surveillance, Access control, Intrusion alarms, Alarm monitoring, Remote video monitoring.
Location details and sources
Published address: 174 Thorn Hill Road, Warrendale, PA 15086
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Hilton’s Electronic Security
Carlisle
office
Carlisle-based electronic-security company designing and supporting commercial camera, alarm, entry and low-voltage systems across Central Pennsylvania.
Published services: access control, video surveillance, intrusion alarms, intercoms, structured cabling, wireless links.
Location details and sources
Published address: 1787 W Trindle Rd. #801, Carlisle, PA 17015
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
HomeConnect LLC
Pittsburgh
office
Provides commercial security, networking and audiovisual solutions from a Pittsburgh location, with residential services also listed.
Published services: Commercial security systems, Business networking, Commercial AV.
Location details and sources
Published address: 4138 Library Rd., Pittsburgh, PA 15234
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Hystar Fire and Security
York
administration office
York fire and security provider offering alarm, camera, door-control and monitoring services across South Central Pennsylvania and northern Maryland.
Published services: fire alarms, intrusion detection, access control, video surveillance, monitoring.
Location details and sources
Published address: 1537 E. Market Street, York, PA 17403
Business scope: commercial security and fire systems
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
JAL Advanced Security & Automation
Philadelphia
Officially identified base city; street address not published in reviewed pages
Philadelphia-based JAL Advanced Security & Automation offers security-system installation for homes and small businesses, including video monitoring and access control.
Published services: Security-system installation, Video surveillance, Video monitoring, Access control, Automation.
Location details and sources
Business scope: Small business/commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Johnson Controls
Horsham area
Pennsylvania field operations evidenced; customer-facing office address not verified
Johnson Controls supplies and integrates building-security systems. Official field-operations information confirms integrated-security installation activity in the Horsham area.
Published services: Access control, Video surveillance, Intrusion detection, Intercom systems, Integrated security installation, Maintenance.
Location details and sources
Business scope: Commercial, institutional and enterprise
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Keystone Alarms
Feasterville-Trevose
published business address
Feasterville-Trevose alarm company providing security and fire systems for commercial and residential properties.
Published services: Fire alarms, burglar alarms, surveillance, card access, monitoring.
Location details and sources
Published address: 103 E Pennsylvania Boulevard, Feasterville-Trevose, PA 19053
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Keystone Security & Technologies, Inc.
Lock Haven
headquarters
Lock Haven company providing electronic security and locksmith services for commercial and residential properties in Central Pennsylvania.
Published services: security alarms, video surveillance, access control, fire alarms, locksmith services.
Location details and sources
Published address: 422 East Walnut St., Lock Haven, PA 17745
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
KIT Communications
Lebanon
headquarters
Lebanon-based low-voltage contractor integrating security, cabling and communications for commercial, education, healthcare and public-sector properties.
Published services: video surveillance, access control, intrusion alarms, structured cabling, fiber optics, intercoms, mass notification.
Location details and sources
Published address: 870 Tuck St., Lebanon, PA
Business scope: commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Leer Electric, Inc.
Dillsburg
office
Dillsburg electrical contractor that installs and repairs commercial security and fire-alarm systems throughout Central Pennsylvania.
Published services: security alarms, video surveillance, access control, fire alarms, electrical and cabling services.
Location details and sources
Published address: 3 Barlo Cir., Dillsburg, PA 17019
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Logic LC
Essington
directions and shipping office
Essington provider of commercial security, access control, alarms and related business technology systems.
Published services: Video surveillance, access control, intrusion alarms, intercoms, structured cabling, IT systems.
Location details and sources
Published address: 10 Industrial Highway, Building G, Suite 100, Essington, PA 19029
Business scope: Commercial and managed multifamily
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
LowV Systems, Inc.
Mechanicsburg
office
Mechanicsburg systems contractor providing commercial and industrial security, video surveillance, controlled entry and fire-alarm services.
Published services: security systems, video surveillance, access control, fire alarms.
Location details and sources
Published address: 114 N. York Street, Suite D, Mechanicsburg, PA 17055
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
M&P Security Solutions
Baden; Nanty-Glo
offices
Provides installation and maintenance of camera, access-control, alarm and life-safety systems from offices serving Pittsburgh and Johnstown.
Published services: Video surveillance, Access control, Fire alarms, Intrusion alarms, Alarm monitoring, Intercoms, Structured cabling.
Location details and sources
Published address: 330 State Street, Baden, PA 15005; 4009 William Penn Ave, Nanty-Glo, PA 15943
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
M3T Corporation
Mechanicsburg
company base; street address not verified
Mechanicsburg-based security integrator serving healthcare, education, government and corporate facilities with physical-security design and implementation.
Published services: access control, security cameras, intrusion detection, intercoms, entry systems, security consulting.
Location details and sources
Business scope: commercial and institutional
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Martin Communications
Western Pennsylvania
Pittsburgh service area; exact office address not verified
Offers commercial cameras, access control, alarm systems, monitoring and related cabling and intercom work for Pittsburgh-area businesses.
Published services: Intrusion alarms, Video surveillance, Access control, Fire alarms, Alarm monitoring, Remote video monitoring, Structured cabling, Intercoms.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Master Fire & Security Systems
Erie
headquarters
Designs, installs and services fire and electronic security systems for commercial, institutional and educational facilities in the tri-state region.
Published services: Fire alarms, Intrusion alarms, Video surveillance, Access control, Alarm monitoring, Fire suppression.
Location details and sources
Published address: 1019 W 26th St, Erie, PA 16508
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Mobilcom (Mobile Communication Service, Inc.)
Meadville
office
Designs, installs and maintains video-security, access-control and communications systems for organizations in western and central Pennsylvania and nearby states.
Published services: Video surveillance, Access control, System design and installation, Business communications, Networking.
Location details and sources
Published address: 16343 Conneaut Lake Rd., Suite 1, Meadville, PA 16335
Business scope: Commercial services verified
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
NECCO Security Co. Inc.
Bensalem
office
Bensalem systems integrator supplying commercial security, fire alarms, communications and network cabling.
Published services: Fire alarms, video surveillance, intrusion alarms, access control, entry systems, cabling, healthcare communications.
Location details and sources
Published address: 1700 Byberry Road, Bensalem, PA 19020
Business scope: Commercial and industrial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Neff’s Safe, Lock & Security Inc.
Lancaster
office/shop
Lancaster security and locksmith company with electronic access-control installation experience for commercial and institutional properties.
Published services: electronic access control, electronic security systems, locks and safes.
Location details and sources
Published address: 1039 North Christian Street, Lancaster, PA 17602
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
NoLimiTech LLC
Philadelphia
main office
Philadelphia technology contractor offering commercial security, intercom, access-control and network installations.
Published services: Security cameras, alarms, access control, intercoms, network systems.
Location details and sources
Published address: 209 N 3rd Street, Philadelphia, PA 19106
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East / Central / West Pennsylvania
Northeast Remote Surveillance and Alarm, LLC (NERSA)
Bethlehem
Mailing address; Bethlehem-based business
Bethlehem-based integrator operating since 2008, providing design, installation, monitoring, upgrades and support for commercial and industrial security. Pennsylvania is the primary service area.
Published services: Video surveillance, Access control, Intrusion alarms, Fire alarms, Remote monitoring, System integration, Fiber and structured cabling.
Full company profile & official contact source
NERSA is affiliated with this directory. Inclusion is not an independent ranking.
Location details and sources
Published address: 74 West Broad Street, Suite 400, Bethlehem, PA 18018
Business scope: Commercial, industrial and institutional; no individual homes
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Northeast Total Communications, Inc. (NTC)
Philadelphia
city published; street address not confirmed
Commercial low-voltage contractor supplying security cameras, access control, intercoms and communications infrastructure.
Published services: Video surveillance, access control, intercoms, structured cabling, business communications.
Location details and sources
Business scope: Commercial and institutional
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central / West Pennsylvania
Nye Technical Services, LLC
Harmony; Lancaster
Headquarters and branch office
Commercial security and low-voltage integrator with Lancaster and Harmony offices, offering cameras, access control, alarms and network cabling.
Published services: video surveillance, access control, intrusion alarms, alarm monitoring, structured cabling, commercial AV.
Lancaster: 717-400-4687
One company with Harmony and Lancaster locations.
Location details and sources
Published address: 171 Greenfield Road, Suite 102, Lancaster, PA 17601; 244 Pfeifer Rd., Harmony, PA 16037
Business scope: commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Oliver Fire Protection & Security
King of Prussia
Published headquarters
Oliver Fire Protection & Security provides fire-protection and electronic-security systems, including cameras, access control, intrusion detection and intercom entry systems.
Published services: Fire protection, Intrusion detection, Access control, Video surveillance, Hosted video and access control, Intercom entry, Monitoring.
Location details and sources
Published address: 501 Feheley Drive, King of Prussia, PA 19406
Business scope: Commercial, institutional and industrial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Omega Security Services, Inc.
Pittsburgh
office
Designs, installs and maintains commercial fire and electronic security systems, including cameras, controlled entry and monitored alarms.
Published services: Fire alarms, Video surveillance, Access control, Intrusion alarms, Alarm monitoring, System integration.
Location details and sources
Published address: 701 Rodi Rd, Suite 102, Pittsburgh, PA 15235
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Omega Security Systems, Inc.
Southampton
city published; street address not confirmed
Southampton security company offering commercial and residential alarm, surveillance, access-control and monitoring systems.
Published services: Burglar alarms, fire alarms, cameras, access control, monitoring.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
One Call Alarm
Newtown
headquarters city published; street address not confirmed
Newtown-based alarm provider offering commercial and residential security, fire and camera systems with monitoring.
Published services: Security alarms, fire systems, cameras, monitoring, maintenance.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Park Security Systems
Altoona; State College; Johnstown
offices
Security company with Altoona, State College and Johnstown offices offering commercial alarms, cameras, access control and monitored systems.
Published services: security alarms, video surveillance, access control, fire and life safety, alarm monitoring, mobile surveillance trailers.
Location details and sources
Published address: 500 8th Ave., Altoona, PA 16602; 1402 South Atherton St., Suite 209, State College, PA 16801; 600 Galleria Drive, Johnstown, PA 15904
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Phoenix Security Systems
Essington
main office
Essington security provider offering home and commercial security and life-safety systems.
Published services: Commercial security, intrusion detection, fire and life safety.
Location details and sources
Published address: 301 Powhattan Avenue, Essington, PA 19029
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Pro-Tech Security, LLC
York
office
York alarm company serving homes and commercial facilities in the York, Harrisburg and Lancaster areas.
Published services: security alarms, fire alarms, alarm monitoring, installation and service.
Location details and sources
Published address: 2656 Cambridge Rd., York, PA 17402
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Pye-Barker Fire & Safety — Allentown
Allentown
Published branch office
Pye-Barker's Allentown branch, formerly Keystone Fire and Security, provides commercial electronic security, monitoring and fire-protection services.
Published services: Intrusion detection, Access control, Video surveillance, License plate recognition, Alarm monitoring, Fire protection, Inspection and maintenance.
Location details and sources
Published address: 4670 Schantz Road, Allentown, PA 18104
Business scope: Commercial, institutional and industrial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Rely Security
Raubsville
published business address
Commercial security contractor providing system design, installation and maintenance for organizations in eastern and central Pennsylvania.
Published services: Fire alarms, intrusion alarms, video surveillance, access control, system maintenance.
Location details and sources
Published address: 50 Flagler Street, Raubsville, PA 18042
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East / Central / West Pennsylvania
SafeStreets National Accounts
National program; confirm Pennsylvania project availability directly
National commercial program; no Pennsylvania office verified
SafeStreets National Accounts provides commercial security design, installation, monitoring and maintenance across North America, including video, intrusion and access-control systems.
Published services: Intrusion alarms, Video surveillance, Video monitoring, Remote guarding, Cloud video, Access control, System design, Installation and maintenance.
Use the official website for current contact details.
Location details and sources
Business scope: Commercial, enterprise and multi-site
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
SAH, Inc.
Reading
headquarters
Reading-based provider of security, fire, surveillance and door-access systems for homes and businesses.
Published services: Security alarms, fire alarms, video surveillance, access control, monitoring.
Berkshire Systems Group and SAH are affiliated sister brands; shown by their published business names.
Location details and sources
Published address: 50 S. Museum Road, Reading, PA 19607
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East / West Pennsylvania
Sciens Building Solutions — Pennsylvania divisions
Allentown; Wilkes-Barre; Chambersburg; Erie; Pittsburgh
Division offices
Fire, life-safety and electronic-security work through Pennsylvania divisions, including Eastern Time and Wilkins. Capabilities and contact arrangements vary by division.
Published services: Security systems, surveillance, fire detection, monitoring, communications, testing and maintenance.
Wilkins / Erie: 814-833-6376
Wilkins / Pittsburgh: 412-688-6376
Scherer / Pittsburgh: 412-321-7000
Includes Eastern Time and Wilkins divisions. Wilkins and Scherer joined Sciens in October 2026.
Location details and sources
Published address: 746 Hanover Avenue, Allentown, PA 18109
Business scope: Commercial and institutional
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Securewire Technologies
Harrisburg
office
Harrisburg integrator supplying security and alarm systems to commercial properties, healthcare facilities, warehouses and other customers.
Published services: access control, video surveillance, intrusion alarms, monitoring, fire alarms.
Location details and sources
Published address: 2708 Commerce Dr. #200, Harrisburg, PA 17110
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Securitas Technology
Pittsburgh
branch
Designs, installs and maintains integrated commercial security systems through a Pittsburgh branch, including intrusion, video, access-control and fire-detection systems.
Published services: Intrusion alarms, Video surveillance, Access control, Fire detection, Alarm monitoring, System integration.
Location details and sources
Published address: 102 Merchant Lane, Pittsburgh, PA 15205
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Security 101 – Pittsburgh
West Mifflin
local office
Provides integrated electronic security systems for businesses in the Pittsburgh metro area, including cameras, access control, intrusion detection and visitor management.
Published services: Video surveillance, Access control, Intrusion alarms, Visitor management, System integration, Video monitoring.
Location details and sources
Published address: 400 Regis Avenue, West Mifflin, PA 15236
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Security Service Company
Fleetwood
published business address
Fleetwood electronic-security company serving Berks County, the Lehigh Valley and wider eastern Pennsylvania.
Published services: Security alarms, fire alarms, video monitoring, access control, monitoring.
Location details and sources
Published address: 110 West Arch Street, Suite 200, Fleetwood, PA 19522
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Security Systems of America (SSA)
Pittsburgh; Johnstown
offices
Provides commercial intrusion, video, access-control and fire-detection systems, with Pittsburgh and Johnstown offices and monitoring services.
Published services: Intrusion alarms, Video surveillance, Access control, Fire alarms, Alarm monitoring.
Location details and sources
Published address: 475 Ardmore Blvd, Pittsburgh, PA 15221; 969 Eisenhower Blvd, Johnstown, PA 15904
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Shearer Lock, Safe, & Security
Greater Harrisburg area
service area only; office address not verified
Greater Harrisburg security and locksmith provider offering business cameras, access control and alarm systems alongside residential services.
Published services: access control, video surveillance, commercial alarms, locksmith services.
Use the official website for current contact details.
Location details and sources
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
SMART Technology Systems
Lancaster
office
Lancaster company integrating business security systems with network and IT infrastructure, including cameras, alarms and controlled entry.
Published services: video surveillance, access control, intrusion detection, fire alarms, monitoring, network infrastructure.
Location details and sources
Published address: 1650 Manheim Pike, Suite 204, Lancaster, PA 17601
Business scope: commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
SSI Security, Inc.
Pittsburgh
company-stated base; street address not verified
Installs and services alarms, fire systems, access control and CCTV for businesses, apartment buildings, industrial properties and offices.
Published services: Intrusion alarms, Fire alarms, Access control, Video surveillance, Equipment service.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Superior Security Systems of Pennsylvania
Western Pennsylvania
Greensburg and Somerset markets stated; office street addresses not verified
Offers business security and fire systems, access control, structured wiring and monitoring in the Greensburg and Somerset markets.
Published services: Security alarms, Fire alarms, Access control, Structured cabling, Alarm monitoring.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Superior Surveillance and Communications LLC
Drums
published business address
Drums-based contractor providing surveillance, access control, networking and electrical services in the Greater Hazleton area.
Published services: Video surveillance, access control, networking, structured cabling, electrical services.
Location details and sources
Published address: 317 N Hunter Highway, Suite 101, Drums, PA 18222
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Tele-Plus Corporation
Chambersburg and Carlisle
Pennsylvania service area; headquarters in Maryland
Maryland-based systems provider with documented commercial security, fire-alarm and communications service in Chambersburg and Carlisle.
Published services: security systems, video surveillance, access control, fire alarms, alarm monitoring, structured cabling.
Location details and sources
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
The Specialty Wiring Co., LLC
Pittsburgh
company-stated base; street address not published in reviewed source
Installs and services commercial fire alarms, intrusion systems, cameras, controlled entry, intercoms and gate operators in the Pittsburgh region.
Published services: Fire alarms, Intrusion alarms, Video surveillance, Access control, Intercoms, Gate operators, Alarm monitoring.
Location details and sources
Business scope: Commercial
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
TN Security (Team Nutz LLC)
Pittsburgh
showroom
Installs commercial camera, access-control, alarm, cabling and intercom systems in greater Pittsburgh, alongside residential technology services.
Published services: Video surveillance, Access control, Intrusion alarms, Alarm monitoring, Structured cabling, Intercoms.
Location details and sources
Published address: 3287 Library Road, Pittsburgh, PA 15234
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
TWG Security
Emmaus
city published; street spelling requires confirmation
Emmaus security integrator offering surveillance, access control, analytics and supporting network infrastructure for organizations.
Published services: Video surveillance, access control, intrusion detection, video analytics, license-plate recognition, infrastructure networking.
Location details and sources
Business scope: Commercial and institutional
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Vector Security
Pittston
Wilkes-Barre branch physical address
Security provider with a Pittston-based Wilkes-Barre branch serving northeastern Pennsylvania and surrounding communities.
Published services: Security alarms, fire alarms, video cameras, monitoring.
One national provider; the Wilkes-Barre branch is physically in Pittston.
Location details and sources
Published address: 317 Enterprise Way, CenterPoint Commerce and Trade Park-West, Pittston, PA 18640
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
East Pennsylvania
Victor Security, Inc.
Southampton
published business address
Southampton company installing and monitoring commercial and residential alarms, surveillance and access-control systems.
Published services: Burglar alarms, fire alarms, CCTV, access control, intercoms, monitoring.
Location details and sources
Published address: 324 Second Street Pike, Suite 3, Southampton, PA 18966
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
Central Pennsylvania
Vigilant Security, Inc.
State College
office
State College security company designing, installing, monitoring and servicing electronic protection systems for commercial and residential customers.
Published services: intrusion alarms, fire alarms, access control, video surveillance, integrated systems, monitoring.
Location details and sources
Published address: 2168 Sandy Drive, State College, PA 16803-2282
Business scope: commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
West Pennsylvania
Whitetail Electronics, Inc.
Erie
headquarters
Designs and installs security, camera and controlled-entry systems for commercial and industrial sites as well as homes.
Published services: Video surveillance, Access control, Intrusion alarms, Fire alarms.
Location details and sources
Business scope: Commercial and residential
Company website information reviewed October 28, 2026. This is a website review, not direct confirmation of operating status or a credentials audit.
No matching entries. Try a nearby region, a broader service or a shorter company name.