BidFox

NAICS 541990: All Other Professional, Scientific, and Technical Services

Right now there are 39 open federal NAICS 541990 notices, 21 of them open for bids. 15 close within the next 7 days. 16 are set aside for small or certified businesses, so fewer companies can compete. Over the last 12 months agencies posted 322 NAICS 541990 solicitations and published 255 awards with a median value of $50K. The busiest buyer was the Department of the Army, with 60 solicitations.

Open notices today
39 (21 open for bids)
Closing within 7 days
15
Set aside for small or certified businesses
16
Solicitations posted, last 12 months
322
Published awards, last 12 months
255 (median $50K)
Busiest buyer, last 12 months
Department of the Army
Source and update
SAM.gov public data, updated October 21, 2026

Open now page 2 of 2

DeadlineNoticeSet-aside
Jan 11, 2027
82 days left
One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation
Federal Acquisition Service
WOSB
Jan 31, 2027
102 days left
NASA Deep Space Autonomous Robotics Challenge: Call for Host Facility Interest
National Aeronautics and Space Administration, Washington, DC Sources sought
Open to all
Sep 30, 2027
345 days left
FY2027 USPS OIG Broad Agency Announcement
Postal Service
Open to all
Apr 1, 2031
1624 days left
Golden Dome for America Commercial Solutions Opening
Immediate Office of the Secretary of Defense
Open to all
No deadline Acquisition Update for TRIDENT (Decisive Action Follow-on)
Defense Threat Reduction Agency (dtra), Fort Belvoir, VA Sources sought
Open to all
No deadline FY26 CRRP Gate-1 Cylinder Rebuild
Department of the Army
Small business
No deadline Notice of Intent (NOI) to Sole Source (SS) / Ted Stevens Center (TSC) Support Services
Washington Headquarters Services (whs), Anchorage, AK Special notice
Open to all
No deadline WYAO Woodward Gov Cabinet Assessment
Bureau of Reclamation
Open to all
No deadline Strategic Contract Consolidation Announcement
Department of the Army, Aberdeen Proving Ground, MD Special notice
Open to all

Recent awards

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

DateWinner and contractAmount
Oct 1 Restored Cloud Inc.
Underground Storage Tank Testing, Inspection, Repair IDIQ
Department of the Air Force, CA
$337K
Sep 28 The Boeing Company
Onsite Integrated Supply Chain Management Support - Service Contract - FA-18
Department of the Navy
$382K
Sep 25 HurtVet Subcontracting, Inc.
Inspection, Testing, and Maintenance (ITM) of fire protection and life safety systems in NPS buildings
National Park Service
$19K
Sep 24 E & M International, Inc.
ITM Guaranteed Minimum
National Park Service
$2,500
Sep 23 Radiometrics Corporation
Maintenance and Repair Services of Wind Profilers and Radiometers
Department of the Army, UT
$600K
Sep 21 Parymon Corp.
Autonomous Underwater Vehicle (AUV) Operation and
National Oceanic and Atmospheric Administration
$83K
Sep 21 Parymon Corp.
Analysis of Autonomous Underwater Vehicle (AUV) In
National Oceanic and Atmospheric Administration
$107K
Sep 21 Sara Denise Julian 16908 COUNTY ROAD 2330 Lubbock
Student Service Contract - Sara Julian
US Geological Survey
$45K
Sep 18 Inalab Consulting, Inc.
Science and Technical Support Services (STSSC) For
US Geological Survey
$228K
Sep 17 Ocean Associates Inc.
Assessing Biodiversity using environmental DNA (eD
National Oceanic and Atmospheric Administration
$47K
Sep 16 Cooper Zietz Engineers, Inc.
Water Rights Litigation Support for Fort Belknap A
Bureau of Indian Affairs
$275K
Sep 16 Xcellent Technology Solutions, Inc.
Science and Technical Support Services IDIQ Contra
US Geological Survey
$936K
Sep 16 Xcellent Technology Solutions, Inc.
FY2025-2026 Program/Project Management Services
US Geological Survey
$67K
Sep 16 Peggy Mullin 529 HILLSBOROUGH ST APT E2 Chapel Hill
P. Mullin - New SC
US Geological Survey
$84K
Sep 16 Innovators Transportation LLC
Fire Extinguisher & Hood Inspection
Department of Veterans Affairs, SD
$320K

Who wins the most

  1. Inalab Consulting, Inc. (30 awards)
  2. Montech Inc. (19 awards)
  3. Xcellent Technology Solutions, Inc. (9 awards)
  4. Postured LLC (5 awards)
  5. Parymon Corp. (4 awards)
  6. Akima Systems Engineering LLC (3 awards)
  7. Ocean Associates Inc. (2 awards)
  8. Advenco LLC (2 awards)

Questions

How many federal NAICS 541990 contracts are open?

On October 21, 2026 there were 39 open notices on SAM.gov, 15 of them closing within a week. BidFox updates this page every morning from the official SAM.gov data.

Which agencies buy the most NAICS 541990?

Counting solicitations from the last 12 months: Department of the Army (60 solicitations); Department of Veterans Affairs (32 solicitations); Department of the Navy (29 solicitations).

How much are federal NAICS 541990 contracts worth?

The median published award over the last 12 months was $50K, across 255 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 541990 contracts?

Yes. 50% of the NAICS 541990 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 21, 2026. Award amounts are as published in award notices.