GovBidScope

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 5 of 16

D--SUPPLY: PA-JOHN HEINZ NWR-REPLACEMENT OF IDS

INTERIOR, DEPARTMENT OF THE.US FISH AND WILDLIFE SERVICE.FWS, IT SERVICES

$54K

Security System Monitoring and Maintenance at Navarro Mills Lake in Purdon, Texas.

DEPT OF DEFENSE.DEPT OF THE ARMY.US ARMY CORPS OF ENGINEERS.ENGINEER DIVISION SOUTHWESTERN.ENDIST FT WORTH.W076 ENDIST FT WORTH

Small Business Set Aside - TotalDue 8/20/2026

RAFB Honeywell (Vindicator) Intrusion Detection System (IDS) Installation - Bldg. 905

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR FORCE MATERIEL COMMAND.AIR FORCE SUSTAINMENT CENTER.FA8501 OPL CONTRACTING AFSC/PZIO

Small Business Set Aside - TotalDue 9/2/2026

N--Sources Sought - Temporary Mobile Security Camera

INTERIOR, DEPARTMENT OF THE.BUREAU OF LAND MANAGEMENT.NEVADA STATE OFFICE

Due 8/21/2026

CA-SNLNWRC-SECURITY ALARM & MONITORING FOR MULTIPL

INTERIOR, DEPARTMENT OF THE.US FISH AND WILDLIFE SERVICE.FWS, IT SERVICES

Due 8/31/2026

N--SLOAN INTRUSION DETECTION SYSTEM

INTERIOR, DEPARTMENT OF THE.BUREAU OF LAND MANAGEMENT.NEVADA STATE OFFICE

Small Business Set Aside - TotalDue 8/20/2026

INDU FIRE SUPPRESSION SYSTEM INSPECTION SERVICE

INTERIOR, DEPARTMENT OF THE.NATIONAL PARK SERVICE.MWR OHIO(64000)

Small Business Set Aside - TotalDue 9/8/2026

FTDTL CCTV Camera and Cabling Upgrade

DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.FDO SAM HOUSTON.W6QM MICC-FT BELVOIR

Due 8/20/2026

RFI - 37250PR260000091 - USCG Sector San Diego - FAA Regulated Hangar Fire System Testing, Certification, and Maintenance + Standard Fire Equipment and Systems Testing and Certification

HOMELAND SECURITY, DEPARTMENT OF.US COAST GUARD.BASE LOS ANGELES/LONG BEACH(00037)

No Set aside usedDue 8/22/2026

Fire Prevention and Protection Systems Maintenance and Repairs Service Contract

DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.419TH CSB.W6QM MICC-FORT BUCHANAN (RC)

Small Business Set Aside - TotalDue 8/26/2026

(102) Vindicator Maintenance

DEPT OF DEFENSE.DEPT OF THE ARMY.NATIONAL GUARD BUREAU.JFHQ USPFO MA.USPFO MA PROCUREMENT.W7NE USPFO ACTIVITY MAANG 102

Small Business Set Aside - TotalDue 8/24/2026

Lenel Access Control System

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR COMBAT COMMAND.FA4819 325 CONS PKP

Small Business Set Aside - TotalDue 8/21/2026

Security Camera Installation

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR COMBAT COMMAND.FA4877 355 CONS PK

Small Business Set Aside - TotalDue 8/25/2026

Electronic Security Systems Upgrades at USCG Station Rio Vista

HOMELAND SECURITY, DEPARTMENT OF.US COAST GUARD.BASE ALAMEDA(00031)

Small Business Set Aside - TotalDue 8/28/2026

Building 179 Access Control System Replacement and Intrusion Detection System Upgrade

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR MOBILITY COMMAND.FA4427 60 CONS LGC

Small Business Set Aside - TotalDue 9/2/2026

Closed Circuit TV (CCTV) purchase and install

DEPT OF DEFENSE.DEPT OF THE ARMY.NATIONAL GUARD BUREAU.JFHQ USPFO IN.USPFO IN PROCUREMENT.W7M7 USPFO ACTIVITY IN ARNG

Small Business Set Aside - Total

JB,MDL Flightline Access Control System

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR MOBILITY COMMAND.FA4484 87 CONS PK

Small Business Set Aside - TotalDue 8/19/2026

Fort Bragg Access Control and CCTV Maintenance and Repair

DEPT OF DEFENSE.DEPT OF THE ARMY.AMC.ACC.MISSION INSTALLATION CONTRACTING COMMAND.419TH CSB.W6QM MICC FDO FT BRAGG

Small Business Set Aside - TotalDue 8/28/2026

Building 177 Access Control System Replacement

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR MOBILITY COMMAND.FA4427 60 CONS LGC

Small Business Set Aside - TotalDue 9/1/2026

FACILITY INTERCOM COMMUNICATIONS AND CAMERAS

DEPT OF DEFENSE.DEPT OF THE NAVY.NAVSUP.NAVSUP GLOBAL LOGISTICS SUPPORT.NAVSUP FLC NORFOLK.NAVSUP FLT LOG CTR NORFOLK

No Set aside used$467K

OR-FWS SHELDON NWR-FIRE ALARM & EXT INSP

INTERIOR, DEPARTMENT OF THE.US FISH AND WILDLIFE SERVICE.FWS, SAT TEAM 1

Small Business Set Aside - TotalDue 8/25/2026

AA/LENEL MAINTENANCE

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR FORCE MATERIEL COMMAND.AIR FORCE TEST CENTER.FA2823 AFTC PZIO

Due 8/21/2026

EADS Fire Alarm Enhancements

DEPT OF DEFENSE.DEPT OF THE ARMY.NATIONAL GUARD BUREAU.JFHQ USPFO NY.USPFO NY PROCUREMENT.W7NR USPFO ACTIVITY NYANG 174

Small Business Set Aside - TotalDue 8/27/2026

Dorm Security Cameras

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR FORCE GLOBAL STRIKE COMMAND.FA4528 5 CONS

Small Business Set Aside - TotalDue 8/28/2026

Intent to Sole Source to SCW - Surveillance and Installation

DEPT OF DEFENSE.DEPT OF THE NAVY.NAVSUP.NAVSUP GLOBAL LOGISTICS SUPPORT.NAVSUP FLC PUGET SOUND.NAVSUP FLT LOG CTR PUGET SOUND

No Set aside usedDue 8/17/2026

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).