NAICS 561621 – Security Systems Services (except Locksmiths)

Browse 328+ active federal contract opportunities classified under NAICS 561621.

Recent Opportunities

• IBDSS PS BCA Request for Information
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 27, 2026 NAICS: 561621 Location: MA
• PKA-ID Badging System UFR-6 LRS
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 6, 2026 NAICS: 561621 Set-Aside: SBA Location: FL
• H--Burglar/Fire Alarm System Inspection, Testing, Mai
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 27, 2026 Due: Jul 31, 2026 NAICS: 561621 Set-Aside: SBA Location: NM
• Lenel Access Control System
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 14, 2026 NAICS: 561621 Set-Aside: SBA Location: FL
• N--Security System Installation
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 27, 2026 Due: Aug 3, 2026 NAICS: 561621 Set-Aside: SBA
• J063--PACS Maintenance SDVOSB Set-Aside
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Jul 27, 2026 Due: Jul 30, 2026 NAICS: 561621
• J--RESTORATION AND RECOMMISSIONING OF FICAM
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 27, 2026 Due: Jul 30, 2026 NAICS: 561621 Location: NM
• Security System Monitoring and Maintenance at Navarro Mills Lake in Purdon, Texas.
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 3, 2026 NAICS: 561621 Set-Aside: SBA
• CCTV, IDS, and ACS Maintenance Services for DFAS Indianapolis, IN
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Jul 29, 2026 NAICS: 561621 Set-Aside: NONE Location: OH
• Lenel Access Control Maintenance
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Jul 29, 2026 NAICS: 561621 Set-Aside: NONE Location: FL
• Lenel Access Control System
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 14, 2026 NAICS: 561621 Set-Aside: SBA Location: FL
• J063--Preventive Maintenance (PM) and Software Support Service for PACS and Surveillance in the San Diego VARO
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Jul 27, 2026 Due: Aug 17, 2026 NAICS: 561621
• CCTV, IDS, and ACS Maintenance Services for DFAS Indianapolis, IN
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Jul 29, 2026 NAICS: 561621 Set-Aside: NONE Location: OH
• H312--Fire Damper Inspection and Testing Services
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Jul 27, 2026 Due: Aug 10, 2026 NAICS: 561621 Set-Aside: SBA Location: WI
• H312--Fire Damper Inspection and Testing Services
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Jul 27, 2026 Due: Jul 31, 2026 NAICS: 561621
• J--SAMA/SAIR SECURITY ALARM SERVICE
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 25, 2026 Due: Aug 7, 2026 NAICS: 561621 Location: MA
• Solicitation: Repair Fire Alarms Multi Facilities, JBPHH-HI
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Jul 28, 2026 NAICS: 561621 Set-Aside: SBA Location: HI
• Solicitation: Repair Fire Alarms Multi Facilities, JBPHH-HI
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Jul 28, 2026 NAICS: 561621 Set-Aside: SBA Location: HI
• J063--LYNX PANIC ALARM SERVICE AGREEMENT
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Jul 24, 2026 Due: Jul 28, 2026 NAICS: 561621
• Solicitation for Fire Alarms Repair Services (Multi-Island)
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Jul 29, 2026 NAICS: 561621 Set-Aside: SBA Location: HI
• SAMA/SAIR SECURITY ALARM SERVICE
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 24, 2026 Due: Aug 7, 2026 NAICS: 561621 Location: MA
• AFRL SALSSA Badge Reader update and components
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Jul 30, 2026 NAICS: 561621 Set-Aside: SBA Location: NM
• Solicitation: Repair Fire Alarms Multi Facilities, JBPHH-HI
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Jul 28, 2026 NAICS: 561621 Set-Aside: SBA Location: HI
• Coast Guard Southwest District Electronic Security Systems (ESS) Modernization
  Agency: HOMELAND SECURITY, DEPARTMENT OF Posted: Jul 24, 2026 Due: Aug 7, 2026 NAICS: 561621 Set-Aside: SBA Location: CA
• Notice of Intent to Sole Source Monaco Fire Alarm Reporting System
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Jul 31, 2026 NAICS: 561621 Set-Aside: NONE Location: MS

Data sourced from SAM.gov. Updated daily. Last updated: July 28, 2026.