Access control companies in Connecticut (41 found)
The Mercury Group has expertise in installations of security solutions, such as security consulting for schools, HD cameras, wireless door lockdown systems, video management software, etc. The Mercury Group provides services to various products from Arecont, Napco, Honeywell, OnSSI, Pelco, etc.
THRESHOLD innovates and develops products that simplify visitor management and supports security protocols. They design and manufacture visitor badges and visitor management software to provide enhanced security.
THRESHOLD delivers visitor management systems to keep the facility welcoming and accessible, yet safe. Allowing unidentified visitors is a security risk. THRESHOLD products make it easy to sign in, badge, and keep track of every visitor, so users know who is in their building.
Established in 1992, Tyrell Security Systems provides various services, such as alarm systems, video surveillance systems, sound systems as well as installing protection devices for carbon monoxide, propane gas, low and high temperature and water alarms.
United Alarm designs and installs the most technologically advanced equipment and systems available, such as security services, fire alarms, carbon monoxide detectors, access controls, etc.
UTC Climate Controls & Security is a world leader in providing solutions for fire detection and suppression, intrusion detection, access control and video surveillance, with installation, inspection, monitoring and response solutions for customers worldwide in a variety of application and settings.
Utility Communications Inc. has been providing sales and service of two-way radios and communications equipment that meet the needs of business, industry and public safety.
UVeye sets the future standard of vehicle inspection globally. They provide high-end solutions for automatic external inspection of vehicles, using advanced technologies that include proprietary hardware combined with machine learning and computer-vision algorithms. UVeye’s first line of products, deployed all over the world in the Homeland Security and Defense (HLS) market, enables customers to automatically scan, detect and identify threats.
Venture Communications & Security LLC provides a wide range of services include access control, alarm systems, video surveillance, fire alarms among others
Visonic is an international developer and manufacturer of high-quality electronic security systems and components.
Browse security companies
Related white papers
One system, one card
Modernizing access control
Enhancing physical access control using a self-service model
Upcoming security events in United States of America (USA)
Gartner IT Infrastructure, Operations & Cloud Strategies Conference 2025
- 9 - 11 Dec, 2025
- Las Vegas, United States of America (USA)
Technology Summit International 2025
- 9 - 11 Dec, 2025
- Irving, United States of America (USA)
DISTRIBUTECH International 2026
- 2 - 5 Feb, 2026
- San Diego, United States of America (USA)
NDSS Symposium 2026
- 23 - 27 Feb, 2026
- San Diego, United States of America (USA)
Disasters Expo USA 2026
- 4 - 5 Mar, 2026
- Miami, United States of America (USA)
IDA Expo+ 2026
- 14 - 17 Apr, 2026
- Las Vegas, United States of America (USA)
Innovate Cybersecurity Summit 2026
- 19 - 21 Apr, 2026
- Marco Island, United States of America (USA)
12th National Conference On CFIUS
- 22 - 23 Apr, 2026
- Washington, United States of America (USA)
Global Security Exchange (GSX) 2026
- 14 - 16 Sep, 2026
- Atlanta, United States of America (USA)
PACK EXPO Chicago 2026
- 18 - 21 Oct, 2026
- ILLINOIS, United States of America (USA)
One system, one card
DownloadAligning physical and cyber defence for total protection
DownloadUnderstanding AI-powered video analytics
DownloadEnhancing physical access control using a self-service model
DownloadHow to implement a physical security strategy with privacy in mind
DownloadCLIQ Connect
DNAKE Access Control Terminals: Minimalist Design, Maximum Security!
Unlock the Future with Abloy Pulse: Keyless, Energy-Efficient Security Systems

