Security System installation, maintenance, monitoring and testing out of Brookfield, CT. And Danbury, CT. Serving Fairfield and Litchfield counties and Eastern New York for 20 years with burglar, fire and medical alarm,CCTV Systems and Access Control Systems and U.L. centrallmonitored systems. licensed in CT. and NY. States.
| Website | http://www.donnellysecurity.com/ |
| Revenue | $3 million |
| Employees | 1 (0 on RocketReach) |
| Address | PO Box 949, Danbury, Connecticut 06813, US |
| Phone | +1 877-948-4908 |
| Technologies |
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ASP.NET
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| Industry | Security and Investigations, Business Services General, Business Services |
| Keywords | Security Services, Security System Installation, Alarm Monitoring, Security Monitoring, Alarm Systems, Security System Maintenance, Cctv Systems, Security Cameras, Security Technology, Access Control Systems, Access Control, Surveillance Systems, Video Surveillance, Fire Alarm, Intrusion Detection, Fire Detection |
| Competitors | ADT, Vivint, Tyco, Securitas Group, Ring, SimpliSafe, Brinks Home, Xfinity, Frontpoint, Link Interactive +26 more (view full list) |
| SIC | SIC Code 73 Companies, SIC Code 738 Companies |
| NAICS | NAICS Code 561 Companies, NAICS Code 56 Companies |
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Donnelly Security Questions
The Donnelly Security annual revenue was $3 million in 2026.
Donnelly Security is based in Danbury, Connecticut.
The NAICS codes for Donnelly Security are [561, 56].
The SIC codes for Donnelly Security are [73, 738].
