NAICS 561621 – Security Systems Services (except Locksmiths)

Browse 265+ active federal contract opportunities classified under NAICS 561621.

Recent Opportunities

• Corpus Christi Fire Alarm Replacement Project
  Agency: GENERAL SERVICES ADMINISTRATION Posted: May 18, 2026 Due: May 22, 2026 NAICS: 561621 Set-Aside: SBA Location: TX
• BNSF Railway Surveillance System
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 Due: Jun 8, 2026 NAICS: 561621 Set-Aside: SBA Location: WY
• Access Control System (ACS)/Intrusion Detection System (IDS) for the Modular Sensitive Compartmented Information Facility (SCIF)
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 NAICS: 561621 Set-Aside: NONE Location: PA
• J063--VA Security Cameras Installation
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: May 18, 2026 Due: Jun 15, 2026 NAICS: 561621 Set-Aside: SDVOSBC
• RFID DOOR LOCKS
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 Due: May 19, 2026 NAICS: 561621 Set-Aside: SBA Location: WA
• Access Control Systems (ACS) Door Maintenance
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 Due: May 28, 2026 NAICS: 561621 Set-Aside: NONE Location: OH
• 33 RQS/RGS ARMAG IDS Install
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 Due: Jun 19, 2026 NAICS: 561621 Set-Aside: NONE Location: JP-47
• 7 MUNS Vindicator
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 Due: May 20, 2026 NAICS: 561621 Set-Aside: SBA Location: TX
• Access Control Systems (ACS) Door Maintenance
  Agency: DEPT OF DEFENSE Posted: May 18, 2026 Due: May 28, 2026 NAICS: 561621 Set-Aside: NONE Location: OH
• FY26_Intent to Award Sole Source_Relocation of Existing Camera System
  Agency: DEPT OF DEFENSE Posted: May 15, 2026 Due: May 22, 2026 NAICS: 561621 Location: AL
• J--EPA vehicle security barrier monthly service
  Agency: ENVIRONMENTAL PROTECTION AGENCY Posted: May 15, 2026 Due: May 22, 2026 NAICS: 561621 Set-Aside: SBA Location: DC
• TDAC-WSMR Security Hardening/SCIF Bldg 1401
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 Due: Jul 1, 2026 NAICS: 561621 Set-Aside: SBA Location: NM
• Base Alarm Services - Los Angeles Air Force Base
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 Due: Jun 1, 2026 NAICS: 561621 Set-Aside: SBA Location: CA
• Closed Circuit Television (CCTV) System Maintenance Agreement - Amendment
  Agency: HOMELAND SECURITY, DEPARTMENT OF Posted: May 14, 2026 Due: May 28, 2026 NAICS: 561621 Set-Aside: NONE Location: CA
• Intent to Sole Source -Award to Advantor System
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 NAICS: 561621
• J042-- Jesse Brown VAMC Replace and recharge Ansul Fire Suppression System Primary tank and Ansul System Tank
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: May 14, 2026 Due: May 19, 2026 NAICS: 561621 Set-Aside: NONE Location: IL
• USCG Station Milford Haven Fire Alarm Panel Upgrade
  Agency: HOMELAND SECURITY, DEPARTMENT OF Posted: May 14, 2026 Due: May 29, 2026 NAICS: 561621 Set-Aside: SBA Location: VA
• Base Alarm Services - Los Angeles Air Force Base
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 Due: Jun 1, 2026 NAICS: 561621 Set-Aside: SBA Location: CA
• Access Control Systems (ACS) Door Maintenance
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 Due: May 28, 2026 NAICS: 561621 Set-Aside: NONE Location: OH
• Electronic Security System
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 Due: May 21, 2026 NAICS: 561621 Set-Aside: NONE Location: CA
• H--Annual Testing of Fire Systems Carlsbad Caverns NM
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 14, 2026 Due: May 25, 2026 NAICS: 561621 Set-Aside: SBA
• Access Control System
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 Due: May 22, 2026 NAICS: 561621 Set-Aside: SBA Location: OK
• Base Alarm Services - Los Angeles Air Force Base
  Agency: DEPT OF DEFENSE Posted: May 14, 2026 Due: Jun 1, 2026 NAICS: 561621 Set-Aside: SBA Location: CA
• S--Fire System Inspections and Services, Kodiak NWR, AK
  Agency: INTERIOR, DEPARTMENT OF THE Posted: May 14, 2026 NAICS: 561621
• J--EPA vehicle security barrier monthly service
  Agency: ENVIRONMENTAL PROTECTION AGENCY Posted: May 14, 2026 Due: May 22, 2026 NAICS: 561621 Set-Aside: SBA Location: DC

Data sourced from SAM.gov. Updated daily. Last updated: May 19, 2026.