UKNAICS 561621
Security Systems Services (except Locksmiths) contracts
Open federal opportunities classified under NAICS 561621.
40 opportunities open now
Sources Sought
Closes in 9 daysGlobal Unified Airbase Readiness and Defense (GUARD) Capabilities Sources Sought
Dept of Defense
561621 · Security Systems Services (except Lock… Massachusetts Posted Jun 05, 2026
Sources Sought
Closes in 13 daysL--LCB ELECTRONIC ACCESS CONTROL SITE SURVEILLANCE (EACSS)
Interior, Department of the
561621 · Security Systems Services (except Lock… Posted Jun 05, 2026
Combined Synopsis/SolicitationNONE
Closes in 10 daysCCTV, IDS, and ACS Maintenance Services for DFAS Indianapolis, IN
Dept of Defense
561621 · Security Systems Services (except Lock… Indiana Posted Jun 05, 2026
Presolicitation
Closes in 10 daysACCESS CONTROL SYSTEM UPGRADE
Dept of Defense
561621 · Security Systems Services (except Lock… Florida Posted Jun 05, 2026
Combined Synopsis/SolicitationNONE
Closes in 13 daysAccess Control Systems (ACS) Maintenance
Dept of Defense
561621 · Security Systems Services (except Lock… Ohio Posted Jun 05, 2026
SolicitationSmall Business
Closes in 8 daysThird Party Monitoring Service & Subscription for VISN 5 Elkridge Landing Office
Veterans Affairs, Department of
561621 · Security Systems Services (except Lock… Maryland Posted Jun 04, 2026
Presolicitation
Closes in 13 daysZ--SACN Replace Existing Physical Security Alarm System
Interior, Department of the
561621 · Security Systems Services (except Lock… Wisconsin Posted Jun 04, 2026
Combined Synopsis/Solicitation
Closes tomorrowJ063--Fire Alarm Service | Base 4
Veterans Affairs, Department of
561621 · Security Systems Services (except Lock… New York Posted Jun 04, 2026
Sources SoughtNONE
Closes in 14 daysSecurity Technologies Information sessions
Homeland Security, Department of
561621 · Security Systems Services (except Lock… Virginia Posted Jun 04, 2026
Combined Synopsis/SolicitationNONE
Closes in 13 daysAccess Control Systems (ACS) Door Maintenance
Dept of Defense
561621 · Security Systems Services (except Lock… Ohio Posted Jun 04, 2026
Special Notice
Closes in 10 daysJ012--Fire Alarm Service Contract VA Medical Center Manchester NH
Veterans Affairs, Department of
561621 · Security Systems Services (except Lock… Posted Jun 04, 2026
Sources SoughtSmall Business
Closes in 9 daysSources Sought for Repair Fire Alarms Multi Facilities, JBPHH-HI
Dept of Defense
561621 · Security Systems Services (except Lock… Hawaii Posted Jun 04, 2026
SolicitationSmall Business
Closes in 13 daysReplace Fire Alarms, Multi Facility
Dept of Defense
561621 · Security Systems Services (except Lock… Mississippi Posted Jun 04, 2026
Combined Synopsis/SolicitationSDVOSB
Closes in 8 daysSecure Space Security Upgrade
Dept of Defense
561621 · Security Systems Services (except Lock… California Posted Jun 03, 2026
Solicitation8(a) Sole Source
Closes in 13 days8(a) Fire Alarm Upgrade B5413
Dept of Defense
561621 · Security Systems Services (except Lock… Posted Jun 03, 2026
SolicitationSmall Business
Closes in 8 daysInspection of Heartland District Sensitive Compartmented Information Facility Intrusion Detection System
Homeland Security, Department of
561621 · Security Systems Services (except Lock… Louisiana Posted Jun 03, 2026
Combined Synopsis/SolicitationSDVOSB
Closes in 3 daysJ059--Overdoor Alarm Repair
Veterans Affairs, Department of
561621 · Security Systems Services (except Lock… CT Posted Jun 03, 2026
PresolicitationSmall Business
Closes in 8 daysDJ10--Third Party Monitoring Service & Subscription for VISN 5 Elkridge Landing Office
Veterans Affairs, Department of
561621 · Security Systems Services (except Lock… Maryland Posted Jun 03, 2026
Combined Synopsis/SolicitationSmall Business
Closes in 16 daysSecurity System Maintenance, Repair, and Replacement Services LRGV
International Boundary and Water Commission: US-Mexico
561621 · Security Systems Services (except Lock… Texas Posted Jun 03, 2026
SolicitationSmall Business
Closes in 22 daysTDAC-WSMR Security Hardening/SCIF Bldg 1401
Dept of Defense
561621 · Security Systems Services (except Lock… New Mexico Posted Jun 03, 2026
Combined Synopsis/SolicitationSmall Business
Closes in 16 daysSecurity System Maintenance, Repair, and Replacement Services LRGV
International Boundary and Water Commission: US-Mexico
561621 · Security Systems Services (except Lock… Texas Posted Jun 01, 2026
SolicitationSmall Business
Closes in 14 daysAmendment 002 - Fire Alarm Maintenance & Repair - Dover AFB
Dept of Defense
561621 · Security Systems Services (except Lock… Delaware Posted Jun 01, 2026
Special Notice
Closes in 8 daysJ063--Physical Access Control (PACS) Maintenance Request for Information
Veterans Affairs, Department of
561621 · Security Systems Services (except Lock… Posted Jun 01, 2026
SolicitationSmall Business
Closes in 22 daysTDAC-WSMR Security Hardening/SCIF Bldg 1401
Dept of Defense
561621 · Security Systems Services (except Lock… New Mexico Posted Jun 01, 2026
Solicitation
Closes in 8 daysJ063--Physical Access Control (PACS) Maintenance Request for Information
Veterans Affairs, Department of
561621 · Security Systems Services (except Lock… Posted Jun 01, 2026
Set-asides used in this sector
Small Business8(a)HUBZoneSDVOSB
About NAICS 561621
Installation, repair, and monitoring of electronic security alarm systems — including access control, intrusion detection, and CCTV. Used for federal facility security technology contracts and integrated electronic security work.
Typical award value: $250K – $25M per award.