When is the response deadline for W9128F27QA006?

Responses are due Nov 13, 2026. Always confirm the date and time zone in the notice on SAM.gov, since agencies sometimes extend deadlines with an amendment.

Who can respond to Fort Campbell, KY - API 653 External Tank Inspection?

This notice is set aside for service-disabled veteran-owned small businesses (SDVOSB) certified by the SBA. You also need an active SAM.gov registration, which is free.

Fort Campbell, KY - API 653 External Tank Inspection

Solicitation · Dept of Defense · Responses due Nov 13, 2026

Fort Campbell, KY - API 653 External Tank Inspection is a solicitation posted on SAM.gov by Dept of Defense (W071 Endist Omaha) on Oct 29, 2026, under NAICS 541990 (All Other Professional, Scientific, and Technical Services). It is set aside: Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14). Responses are due Nov 13, 2026.

Notice type: Solicitation
Agency: Dept of Defense
Office: Dept of the Army / US Army Corps of Engineers / Engineer Division Northwestern / Endist Omaha / W071 Endist Omaha
Solicitation number: W9128F27QA006
Industry (NAICS): 541990 All Other Professional, Scientific, and Technical Services
Set-aside: Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
Place of performance: Not stated
Posted: Oct 29, 2026
Responses due: Nov 13, 2026 (12 days left)

The full description, attachments and response instructions are on SAM.gov: read this notice on SAM.gov. To respond you need an active SAM.gov registration, which is free.

What this solicitation means

A solicitation (an RFP, RFQ or IFB) asks businesses to submit bids, quotes or proposals. Your response is an offer the agency can accept and turn into a contract.

Read the full solicitation and every attachment on SAM.gov, including the scope of work and evaluation criteria.
Confirm you are eligible: active SAM.gov registration, the NAICS size standard and any set-aside.
Submit questions to the contracting officer before the question deadline, if there is one.
Prepare your response exactly as instructed and submit it before the deadline.

Who wins all other professional, scientific, and technical services government contracts

Federal agencies obligated $37.9B on contracts under NAICS 541990 from FY2024 to FY2026, including $11.8B in FY2026. The largest contractors in this industry, possible competitors or teaming partners for this bid:

Recent all other professional, scientific, and technical services contract awards

Recent contract awards under NAICS 541990
Start date	Recipient	Agency and description	Amount	Record
Sep 30, 2026	Meetings Northwest, Inc.	Department of TransportationTHE UTC PROGRAM REPRESENTS ONE OF THE NATION'S LARGEST COORDINATED TRANSPORTATION RESEARCH ENTERPRISES. WHILE INDIVIDUAL CENTERS SUCCESSFULLY EXECUTE UNIQUE RESEARCH PORTFOLIOS, STRUCTURAL SILOS HAVE	$250,000	693JK426P600046
Sep 30, 2026	National Industries for the Blind	General Services AdministrationCARTRIDGE,ADDITIVE	$49	47QSSC26FEXAT
Sep 30, 2026	National Industries for the Blind	General Services AdministrationCARTRIDGE,ADDITIVE	$49	47QSSC26FEXAM
Sep 30, 2026	Cape Fox Endeavor, LLC	National Archives and Records AdministrationNARA & DOD 1776 AWARD PROJECT - CIVIC EDUCATION JOINT AGENCY INITIATIVE	$10,000,000	88310326C00011
Sep 30, 2026	Leak Tight Analysis Inc.	National Aeronautics and Space AdministrationPRECISION CLEANING AND CALIBRATION	$100,000	80NSSC26P1753

More: government all other professional, scientific, and technical services contracts · NAICS 541990

DoD contract spending

The Department of Defense obligated $1.3T on contracts from FY2024 to FY2026. Its largest contractors were Lockheed Martin Corporation, Electric Boat Corporation, Lockheed Martin Corporation. What it buys most: aircraft manufacturing, engineering services, research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology).

See Department of Defense contracts: top contractors, what it buys and recent awards.

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Guides for this bid

Frequently asked questions

When is the response deadline for W9128F27QA006?: Responses are due Nov 13, 2026. Always confirm the date and time zone in the notice on SAM.gov, since agencies sometimes extend deadlines with an amendment.
Who can respond to Fort Campbell, KY - API 653 External Tank Inspection?: This notice is set aside for service-disabled veteran-owned small businesses (SDVOSB) certified by the SBA. You also need an active SAM.gov registration, which is free.
Who usually wins all other professional, scientific, and technical services government contracts?: Under NAICS 541990, the largest federal contractors from FY2024 to FY2026 were Battelle Energy Alliance, LLC ($6.2B), Sierra Nevada Company, LLC ($1.6B), Booz Allen Hamilton Inc ($1.6B).

Source: SAM.gov Contract Opportunities, last checked Oct 31, 2026. Independent website. Not affiliated with any government agency.