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Find the 50 Best Security Companies in Pennsylvania

Browse 50 security companies serving Pennsylvania, including Philadelphia, York and Allentown, for home and commercial protection. Review guarding, patrol and security system services, read customer feedback and contact local providers for estimates.
Akron (1)
Allentown (3)
Boswell (1)
Bridgeville (1)
Bushkill (1)
Chadds Ford (1)
Clarks Summit (1)
Dublin (1)
Erie (1)
Essington (1)
Exton (1)
Fort Washington (1)
Harrisburg (1)
Honey Brook (1)
Johnstown (1)
King of Prussia (1)
Lancaster (2)
Malvern (1)
McKees Rocks (1)
Media (1)
Morton (1)
Mount Bethel (1)
New Castle (1)
Northampton (1)
Philadelphia (6)
Pittsburgh (2)
Plymouth Meeting (1)
Prospect Park (1)
Reading (1)
Schuylkill Haven (1)
Southampton (2)
Upper Darby (1)
Warminster (1)
Washington (1)
West Chester (1)
Yardley (1)
York (4)
LockTech24/7
Recommended
15 Years
Open 24/7
9 reviews
LockTech24/7
15 Years
Open 24/7
9 reviews
Available 24/7 for emergency locksmith services
LockTech24/7 delivers 24/7 mobile locksmith services in Allentown, Bethlehem, and Easton, PA, handling emergency lockouts, key replacements, and lock repairs.
Website (484) 547-7345 Call Profile
27 reviews
Locksmith PHILLY
27 reviews
We bring many years of dedicated locksmith experience.
We provide rapid emergency, residential, commercial, and auto locksmith services across Philadelphia with arrival in thirty minutes or less.
Website (215) 534-4113 Call Profile
Not rated yet
NolimiTech
Emergency
Not rated yet
We offer 24/7 personalized customer support.
NolimiTech provides top-tier security systems, intercoms, access control, and network solutions for homes and businesses in Philadelphia. Trusted, certified technicians deliver reliable installations and 24/7 support for all your technology needs.
Commercial Security Systems Residential Security Systems Home Theatre Installation
(215) 939-0728 Call Profile
Not rated yet
Extra Eyes Security
Not rated yet
We have over 10 years of experience in Philadelphia's security industry
Philadelphia's trusted security provider offering surveillance camera installations, 24/7 monitoring, and computer repair services. Over 10 years of experience ensuring property safety and system reliability.
Security Camera Installation Computer Repair LED Light Installation
(267) 325-8644 Call Profile
Not rated yet
McCausland Lock Service
45 Years
Emergency
Not rated yet
We offer 40+ years of specialized locksmith experience with generational expertise.
For over 40 years, McCausland Lock Service has delivered expert locksmith solutions in Delaware County, offering residential, commercial, and automotive security services with personalized care.
Residential Locksmith Automotive Locksmith Commercial Locksmith
(610) 522-1935 Call Profile
Not rated yet
VIZpin
10 Years
Not rated yet
We offer over 8 years of experience in smartphone-based access control since 2016.
VIZpin offers secure, smartphone-enabled access control and visitor management. Integrate with APIs/SDKs or use our OEM program for custom smart lock and intercom solutions.
Access Control Smart Locks Visitor Management
(717) 327-4244 Call Profile
Not rated yet
Monks Security
Emergency
Not rated yet
We provide 24/7 personalized customer support with safety-certified professionals
Monks Security offers reliable residential and commercial security systems in Allentown, PA, with 24/7 monitoring and state-of-the-art equipment. Serving Lehigh Valley since 1997.
Residential Security Commercial Security Fire Systems
(610) 366-0198 Call Profile
Not rated yet
Kleppers Security Source
50+ Years
Emergency
Not rated yet
We have over 100 years of experience in security solutions.
Kleppers Security Source offers comprehensive security solutions, including locksmith services, residential and commercial systems, and safe sales/installation in York, PA. Family-owned since 1920.
Security Systems Auto Keying Locksmith Services
(717) 848-1754 Call Profile
Not rated yet
Coulson Security Systems
38 Years
Emergency
Not rated yet
We have over 40 years of hands-on experience in electronic security systems.
Coulson Security Systems offers reliable alarm systems, camera systems, and access control solutions for homes and businesses in South Central PA. Family-owned since 1988 with 40+ years of experience.
Security Systems Camera Systems Access Control
(717) 757-5972 Call Profile
Not rated yet
Philadelphia Fire Alarm Systems
Not rated yet
We offer over 20 years of experience in fire alarm systems and security services
Philadelphia Fire Alarm Systems provides comprehensive fire alarm systems and security services in Philadelphia, including installation, inspection, and certification
Fire Alarm Inspection
(215) 291-9808 Call Profile