NAICS 561621 – Security Systems Services (except Locksmiths)

Browse 232+ active federal contract opportunities classified under NAICS 561621.

Recent Opportunities

• Sole Source Notification Security Camera Installation JBLM, WA
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: Apr 18, 2026 NAICS: 561621 Set-Aside: NONE Location: WA
• Notice of Intent to Sole Source - 152 SFS Advantor Repair/Upgrade
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: Apr 13, 2026 NAICS: 561621 Location: NV
• 7 MUNS Vindicator
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: May 4, 2026 NAICS: 561621 Set-Aside: SBA Location: TX
• Preventative Maintenance and Repairs Gates and Barriers, NIST, Boulder, CO
  Agency: COMMERCE, DEPARTMENT OF Posted: Apr 3, 2026 Due: Apr 22, 2026 NAICS: 561621 Set-Aside: SBA Location: CO
• Closed Circuit Television (CCTV) System Maintenance - Air Station Sacramento CA
  Agency: HOMELAND SECURITY, DEPARTMENT OF Posted: Apr 3, 2026 Due: Apr 13, 2026 NAICS: 561621 Set-Aside: SBA Location: CA
• H312-Fire and Smoke Dampers Reinspection and Repair- Amendment 0001
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 3, 2026 Due: Apr 3, 2026 NAICS: 561621 Set-Aside: NONE Location: IL
• N063--C-CURE 9000 Physical Access Control System
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 2, 2026 Due: Apr 8, 2026 NAICS: 561621
• Intent to Sole Source - Pedestrian Egress Gate and Gate Controls
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 7, 2026 NAICS: 561621 Set-Aside: SBA Location: CO
• Vindicator Intrusion Detection System Installation Services
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 15, 2026 NAICS: 561621 Set-Aside: SBA Location: FL
• Security and Duress Notification System
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 9, 2026 NAICS: 561621 Set-Aside: NONE Location: TX
• Sole Source Justification and Approval Posting
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 2, 2026 Due: Apr 12, 2026 NAICS: 561621 Set-Aside: NONE Location: MN
• Electronic Security System (ESS) Maintenance and Service- Amend 0001
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 23, 2026 NAICS: 561621 Set-Aside: SBA Location: KS
• Vindicator IDS/ACS Windows 10 Upgrade
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 13, 2026 NAICS: 561621 Set-Aside: SBA Location: AZ
• H--Fire Alarm Pump Inspection at Sanostee Day School
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Apr 2, 2026 NAICS: 561621
• J--INTRUSION AND FIRE ALARM SYSTEMS MONITORING AND M
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Apr 2, 2026 Due: Apr 27, 2026 NAICS: 561621 Set-Aside: SBA
• security System Technician
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 17, 2026 NAICS: 561621 Set-Aside: NONE Location: TX
• Fire Alarm Preventative Maintenance, Inspection, Testing and Remedial Repairs Service Contract
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 9, 2026 NAICS: 561621 Set-Aside: NONE Location: PA
• 58--SECURITY SURVEILLANCE SYS & INSTALLATION
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Apr 1, 2026 NAICS: 561621
• Mental Health Over Door Alarm System and Installation
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 1, 2026 Due: Apr 17, 2026 NAICS: 561621 Set-Aside: SDVOSBC Location: CA
• N063--C•CURE 9000 Physical Access Control System
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 1, 2026 Due: Apr 8, 2026 NAICS: 561621
• Notice of Sole Source Award for Monaco System Upgrade
  Agency: DEPT OF DEFENSE Posted: Apr 1, 2026 NAICS: 561621
• MONACO Fire Alarm System Upgrade
  Agency: DEPT OF DEFENSE Posted: Apr 1, 2026 Due: Apr 6, 2026 NAICS: 561621 Set-Aside: SBA Location: CA
• Kastle Security System Changes for CFTC’s Headquarters and Regional Office Locations
  Agency: COMMODITY FUTURES TRADING COMMISSION Posted: Apr 1, 2026 Due: Apr 16, 2026 NAICS: 561621 Set-Aside: NONE Location: DC
• Closed Circuit Television (CCTV) system by service maintenance agreement at United States Coast Guard (USCG) Sector Delaware Bay, Philadelphia
  Agency: HOMELAND SECURITY, DEPARTMENT OF Posted: Apr 1, 2026 Due: Apr 6, 2026 NAICS: 561621 Set-Aside: SBA Location: PA
• 12AF - Secure / Electronic Door Access (Vindicator)
  Agency: DEPT OF DEFENSE Posted: Mar 31, 2026 Due: Apr 9, 2026 NAICS: 561621 Set-Aside: WOSBSS Location: AZ

Data sourced from SAM.gov. Updated daily. Last updated: April 4, 2026.