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NAICS 541690: Other Scientific and Technical Consulting Services

Right now there are 10 open federal NAICS 541690 notices, 6 of them open for bids. 2 close within the next 7 days. 5 are set aside for small or certified businesses, so fewer companies can compete. Over the last 12 months agencies posted 151 NAICS 541690 solicitations and published 52 awards with a median value of $94K. The busiest buyer was the Department of Veterans Affairs, with 26 solicitations.

Open notices today
10 (6 open for bids)
Closing within 7 days
2
Set aside for small or certified businesses
5
Solicitations posted, last 12 months
151
Published awards, last 12 months
52 (median $94K)
Busiest buyer, last 12 months
Department of Veterans Affairs
Source and update
SAM.gov public data, updated October 20, 2026

Open now

DeadlineNoticeSet-aside
Oct 20
Closes today
Iso 50001 Wr-alc
Department of the Air Force, Warner Robins, GA
Open to all
Oct 21
1 day left
Technical Services Support
Department of Energy
8(a)
Oct 28
8 days left
DISA Command, Control, Communications, and Computers Enterprise (J6 C4E) Directorate – Pentagon (J6P) Security Support Services (J6 S3)
Defense Information Systems Agency (disa), Washington, DC Sources sought
Open to all
Nov 1
12 days left
RELAP5-3D 4.x: Thermal-Hydraulic Nuclear Reactor Analysis, Licensing Opportunity
Department of Energy, Idaho Falls, ID Special notice
Open to all
Nov 8
19 days left
Safety, Prevention, Epidemiology, and Education Development for Health Care and Antimicrobial Resistance - SPEED 2027-2032
Centers for Disease Control and Prevention, Atlanta, GA Pre-solicitation
Small business (partial)
Nov 9
20 days left
Monitoring and Evaluation of Russian River Coho Salmon
Department of the Army
Open to all
Nov 10
21 days left
Injection Well Failure Mode Evaluation
Departmental Offices
Small business
Nov 13
24 days left
FY27 Botany Surveys
Departmental Offices
Small business
Sep 30, 2027
344 days left
Expert Review Boards
Farm Production and Conservation Business Center, Washington, DC Sources sought
Open to all
No deadline Psychological Health and Safety Data Analysis
Department of the Army
Small business

Recent awards

52 published awards in the last 12 months. The latest:

DateWinner and contractAmount
Sep 24 DDC 4C, LLC
Vegetation Survey - District 10 North
Bureau of Indian Affairs
$421K
Sep 24 DDC 4C, LLC
Vegetation Survey - District 10 South
Bureau of Indian Affairs
$421K
Sep 22 Assertive Professionals LLC
Business Operation Support Services (BOSS)
Defense Counterintelligence and Security Agency (dcsa), VA
$14.7M
Sep 22 Alaska Biomap, Inc.
Ak-div of Water Resources-data Analysis
US Fish and Wildlife Service
$316K
Sep 17 Enthalpion Energy LLC
Development of electromagnetic transmitter and receiver technology.
Department of Energy
$598K
Sep 10 Harris Environmental Group
Az Es Archaeological Services
US Fish and Wildlife Service
$4,095
Sep 9 ERO Resources Corporation
Blm-co Slvfo Indigenous Ceramics Study
Bureau of Land Management
$38K
Sep 8 Essex Management LLC
Bdiss
Departmental Offices
$2.5M
Sep 8 Information Systems Laboratories, Inc.
Maintenance of NRC Codes V
Nuclear Regulatory Commission
$1.0M
Sep 4 Green Powered Technology LLC
PF 518, US DHS, CBP Multi Site - BASE
Department of Energy
$133K
Sep 1 Fish & Wildlife, Washington State Department Of 600 Capitol Way N Olympia
Wa-mid-columbia Riv Fro-scale Samples
US Fish and Wildlife Service
$146K
Sep 1 Ponderosa Advisors, LLC
Ec - Ponderosa / B3
Bureau of Reclamation
$45K
Aug 26 Deloitte Consulting LLP
Dsrma
Departmental Offices
$285K
Aug 26 Wood Mackenzie Inc.
Wood Mackenzie Subscription Services
Department of Energy
$87K
Aug 24 Essex Management LLC
Clinical Reporting and Research Informatics (CRRI)
Departmental Offices
$6.3M

Who wins the most

  1. LBT Diagnostic Radiation Physics Consulting Ltd. (4 awards)
  2. DDC 4C, LLC (2 awards)
  3. Essex Management LLC (2 awards)
  4. Deloitte Consulting LLP (2 awards)
  5. Assertive Professionals LLC (1 award)
  6. Alaska Biomap, Inc. (1 award)
  7. Enthalpion Energy LLC (1 award)
  8. Harris Environmental Group (1 award)

Questions

How many federal NAICS 541690 contracts are open?

On October 20, 2026 there were 10 open notices on SAM.gov, 2 of them closing within a week. BidFox updates this page every morning from the official SAM.gov data.

Which agencies buy the most NAICS 541690?

Counting solicitations from the last 12 months: Department of Veterans Affairs (26 solicitations); United States Trade and Development Agency (13 solicitations); National Institutes of Health (8 solicitations).

How much are federal NAICS 541690 contracts worth?

The median published award over the last 12 months was $94K, across 52 award notices. Many awards are much smaller or larger, and some contracts are awarded without a public award notice.

Can small businesses bid on NAICS 541690 contracts?

Yes. 51% of the NAICS 541690 solicitations in the last 12 months were set aside for small businesses or for certified firms (8(a), HUBZone, SDVOSB, WOSB). Open-competition notices accept any registered business.

How do I get new notices like these by email?

BidFox checks SAM.gov every morning and emails you only the new notices that fit your trade and states, with a score and the reason each one fits. It's free for the first 7 days.

Learn more

Source: public SAM.gov contract opportunity notices, updated October 20, 2026. Award amounts are as published in award notices.