Government Contracts for NAICS 561621
388 active federal opportunities under NAICS 561621. Updated hourly from SAM.gov.
Data updated Oct 11, 7:57 AM (cached) · 388 opportunities · Page 11 of 16
Base Alarm Services - Los Angeles Air Force Base
DEPT OF DEFENSE.DEPT OF THE AIR FORCE.FA2816 SMC PK PKO
N--GLCA REPLACE FIRE ALARM SYSTEM
INTERIOR, DEPARTMENT OF THE.NATIONAL PARK SERVICE.IMR ARIZONA(12400)
USARC CCURE 9000 Software Support License
DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.419TH CSB.W6QM MICC-FT DRUM
174 Fire Alarm Reporting System
DEPT OF DEFENSE.DEPT OF THE ARMY.NATIONAL GUARD BUREAU.JFHQ USPFO NY.USPFO NY PROCUREMENT.W7NR USPFO ACTIVITY NYANG 174
Wrong Way Sensor Replacement
DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR COMBAT COMMAND.FA4803 20 CONS LGCA
Electronics Security Systems (ESS) Maintenance Services
DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.419TH CSB.W6QM MICC-FT CAMPBELL
VSS Installation for FPS Region 9 at Sirena Plaza in Hagatna, Guam
HOMELAND SECURITY, DEPARTMENT OF.OFFICE OF PROCUREMENT OPERATIONS.FPS WEST CCG
Electronic Security System (ESS) Preventative Maintenance
DEPT OF DEFENSE.DEPT OF THE NAVY.NAVSUP.NAVSUP GLOBAL LOGISTICS SUPPORT.NAVSUP FLC NORFOLK.NAVSUP FLT LOG CTR NORFOLK
7J20--New VISN20 Office Physical Access Control System
VETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.260-NETWORK CONTRACT OFFICE 20 (36C260)
H--Burglar/Fire Alarm System Inspection, Testing, Mai
INTERIOR, DEPARTMENT OF THE.NATIONAL PARK SERVICE.IMR NORTHERN ROCKIES(12200)
CDTF Intrusion Detection System Installation & Monitoring Service
DEPT OF DEFENSE.DEPT OF THE ARMY.NATIONAL GUARD BUREAU.JFHQ USPFO CA.USPFO CA PROCUREMENT.W7MX USPFO ACTIVITY CA ARNG
J063--LYNX PANIC ALARM SERVICE AGREEMENT
VETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.246-NETWORK CONTRACTING OFFICE 6 (36C246)
CCTV/Access Control Installation
DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.FDO SAM HOUSTON.W6QM MICC-FT BELVOIR
Lenel Access Control Maintenance
DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR FORCE MATERIEL COMMAND.AIR FORCE TEST CENTER.FA2823 AFTC PZIO
FY 2026 ICIDS MAINTENANCE MONITORING AND REPAIR
DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.418TH CSB.W6QM MICC-JB LEWIS-MC CHORD
CCTV, IDS, and ACS Maintenance Services for DFAS Indianapolis, IN
DEPT OF DEFENSE.DEFENSE FINANCE AND ACCOUNTING SERVICE (DFAS).DEFENSE FINANCE AND ACCOUNTING SVC
CAC ESS Execution Plan
DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.FDO EUSTIS.W6QM MICC-FT LEAVENWORTH
353 SOW ARMAGs INTRUSION DETECTION SYSTEM
DEPT OF DEFENSE.DEPT OF THE AIR FORCE.PACIFIC AIR FORCES.FA5270 18 CONS PK
Combined Synopsis/Solicitation for Physical Security Maintenance
DEPT OF DEFENSE.DEPT OF THE NAVY.SPAWAR.SPAWAR PACIFIC.NIWC PACIFIC
Fire Alarm System, Sprinkler System and Fire Pump Testing and Inspection services at Mineta San Jose International Airport, Air Traffic Control Tower (ATCT)
TRANSPORTATION, DEPARTMENT OF.FEDERAL AVIATION ADMINISTRATION.697DCK REGIONAL ACQUISITIONS SVCS
MKARNS Fire and Gas Detection System Upgrade
DEPT OF DEFENSE.DEPT OF THE ARMY.US ARMY CORPS OF ENGINEERS.ENGINEER DIVISION SOUTHWESTERN.ENDIST LITTLE ROCK.W076 ENDIST LITTLE ROCK
BPAs for Security, Access Control and Bldg Mgmnt
DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.ACC-CTRS.ACC-NJ.W6QK ACC-PICA
ESS Intrusion System Install
DEPT OF DEFENSE.DEPT OF THE NAVY.NAVSUP.NAVSUP GLOBAL LOGISTICS SUPPORT.NAVSUP FLC JACKSONVILLE.NAVSUP FLT LOG CTR JACKSONVILLE
Garrison ESS Execution Plan
DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.FDO EUSTIS.W6QM MICC-FT LEAVENWORTH
7490--Montgomery X-Ray Screening System and Maintenance
VETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.VETERANS BENEFITS ADMIN (36C10D)
How to Win NAICS 561621 Government Contracts
Federal agencies spend billions annually on naics 561621 services under NAICS code 561621. Opportunities are posted on SAM.gov with response windows of 14-30 days — most small businesses miss them because they don't check daily.
Requirements to bid: You need an active SAM.gov registration (free), a DUNS/UEI number, and in most cases the relevant trade licenses for your state. Many naics 561621 contracts are set aside exclusively for small businesses, 8(a) firms, HUBZone, WOSB, or service-disabled veteran-owned businesses.
Why use GovBidScope: We aggregate SAM.gov postings under NAICS 561621into one browsable feed with plain-English titles and set-aside tags so you can scan the list quickly instead of clicking through 40-page solicitations one at a time.
Frequently Asked Questions
What is NAICS 561621?
NAICS 561621 covers naics 561621 businesses. The federal government uses this code to classify contracts by industry, so agencies can find qualified vendors for specific types of work.
How many naics 561621 contracts are posted per month?
Typically 50-200+ opportunities per month under NAICS 561621, depending on the fiscal year cycle. Volume spikes in Q4 (July-September) as agencies spend remaining budgets.
Can I bid if I'm a small business?
Yes. The federal government is required to award at least 23% of contracts to small businesses. Many contracts under NAICS 561621 are set aside exclusively for small businesses or disadvantaged categories (8(a), HUBZone, WOSB, SDVOSB).