Pine Bluff Arsenal Testing, Lab and Engineering Services
Combined Synopsis/Solicitation · Dept of Defense · Responses due Nov 12, 2026
Pine Bluff Arsenal Testing, Lab and Engineering Services is a combined synopsis/solicitation posted on SAM.gov by Dept of Defense (W6QK Acc-Ri) on Oct 30, 2026, under NAICS 541620 (Environmental Consulting Services). It is set aside: Small Business Set Aside - Total. The work is to be performed in Arkansas. Responses are due Nov 12, 2026.
- Notice type
- Combined Synopsis/Solicitation
- Agency
- Dept of Defense
- Office
- Dept of the Army / Amc / Acc / Acc-Ctrs / Acc Ri / W6QK Acc-Ri
- Solicitation number
- W519TC27QA031
- Industry (NAICS)
- 541620 Environmental Consulting Services
- Set-aside
- Small Business Set Aside - Total
- Place of performance
- Arkansas
- Posted
- Oct 30, 2026
- Responses due
- Nov 12, 2026 (11 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 combined synopsis/solicitation means
A combined synopsis/solicitation is used mainly for commercial products and services: the notice itself is the solicitation, so you can prepare and submit an offer now, before the response date.
- 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 environmental consulting government contracts
Federal agencies obligated $3.7B on contracts under NAICS 541620 from FY2024 to FY2026, including $1.1B in FY2026. The largest contractors in this industry, possible competitors or teaming partners for this bid:
- Eastern Research Group Inc: $219M
- Project Enhancement Corporation: $144M
- The Cadmus Group LLC: $130M
- Weston Solutions Inc: $126M
- Lynker Corporation: $112M
Recent environmental consulting contract awards
| Start date | Recipient | Agency and description | Amount | Record |
|---|---|---|---|---|
| Sep 30, 2026 | Signature Science LLC | Department of Homeland SecurityTHE PURPOSE OF THIS MODIFICATION IS TO EXERCISE OPTION PERIOD FOUR (4). THIS REPLACES CONTRACT NUMBER 70RWMD22F00000035. | $3,283,470 | 70FA9026F00000011 |
| Sep 30, 2026 | Stantec Consulting Services Inc. | Department of Health and Human ServicesOFAAM78 C 6409 - ENVIRONMENTAL FOR CONSTRUCTION EARMARKS | $2,255,815 | 75R60226F34015 |
| Sep 30, 2026 | The Cadmus Group LLC | Department of Health and Human ServicesEXERCISE, EVALUATION AND AFTER-ACTION (E2A2) | $114,434 | 75A50226F62012 |
| Sep 30, 2026 | The Cadmus Group LLC | Department of Health and Human ServicesCORRECTIVE ACTION PROGRAM AND CAP TOOL MANAGEMENT | $156,291 | 75A50226F62011 |
| Sep 30, 2026 | The Cadmus Group LLC | Department of Health and Human ServicesCORRECTIVE ACTION PROGRAM (CAP) | $72,060 | 75A50226F62010 |
More: government environmental consulting contracts · NAICS 541620
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.
Similar open bids: environmental consulting
Dept of Defense · Combined Synopsis/Solicitation · NAICS 541620 · AR · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 12, 2026
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Health and Human Services, Department of · Sources Sought · NAICS 541611 · MD · No Set aside used
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Dept of Defense · Solicitation · NAICS 541611 · VA · Small Business Set Aside - Total
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More open government contracts
Guides for this bid
Frequently asked questions
- When is the response deadline for W519TC27QA031?
- Responses are due Nov 12, 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 Pine Bluff Arsenal Testing, Lab and Engineering Services?
- This notice is set aside for any business that is small under the SBA size standard for the contract's NAICS code. You also need an active SAM.gov registration, which is free.
- Who usually wins environmental consulting government contracts?
- Under NAICS 541620, the largest federal contractors from FY2024 to FY2026 were Eastern Research Group Inc ($219M), Project Enhancement Corporation ($144M), The Cadmus Group LLC ($130M).
Source: SAM.gov Contract Opportunities, last checked Nov 1, 2026. Independent website. Not affiliated with any government agency.