Security Systems Services (except Locksmiths)
Size Standard: $25 million
NAICS code 561621 covers Security Systems Services, which includes establishments engaged in selling security systems such as burglar and fire alarms and their installation and monitoring. Government facilities require extensive electronic security systems for access control and intrusion detection.
Federal buildings, military installations, and sensitive government facilities require sophisticated security systems including access control, video surveillance, intrusion detection, and monitoring services. Post-9/11 security requirements have dramatically increased investment in electronic security.
Major buyers include the Department of Homeland Security, Department of Defense, General Services Administration, and agencies with sensitive facilities. Nuclear facilities under DOE have particularly stringent security system requirements.
Contractors under NAICS 561621 provide security system design, installation, integration, and monitoring services. Government work often requires integration with existing systems, compliance with specific security standards, and cleared personnel for installation.
The size standard of $25 million makes this accessible for specialized security integrators. Small businesses compete effectively in specific technologies, regional markets, or as subcontractors to large defense contractors.
- Department of Homeland Security (DHS)
- Department of Defense (DoD)
- General Services Administration (GSA)
- Department of Energy (DOE)
- Department of Justice (DOJ)
- Access Control System Installation
- Video Surveillance Systems
- Intrusion Detection Systems
- Security System Integration
- Security Monitoring Services
These certifications can help you compete for set-aside contracts under NAICS 561621:
What security systems do government facilities need?
Government facilities require access control (card readers, biometrics), video surveillance (CCTV), intrusion detection (motion sensors, door contacts), and central monitoring. Integration between systems is increasingly important.
What is the size standard for NAICS 561621?
The SBA size standard for NAICS 561621 is $25 million in average annual receipts, making it accessible for specialized security system integrators.
What security standards must systems meet?
Government security systems must comply with FIPS 201 for access control, agency-specific requirements, and often UL certification. DoD facilities require DISA-approved solutions.
Are security clearances required for installation?
Yes, installation at government facilities typically requires security clearances for technicians. Higher clearances are needed for sensitive compartmented information facilities (SCIFs) and DoD locations.
How do monitoring services work for government?
Government facilities may use contractor monitoring centers or government-operated control rooms. Monitoring services include alarm response, video verification, and coordination with guard forces.
Businesses below this threshold in average annual receipts qualify as small businesses for set-aside contracts.
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