Bids by NAICSFederal contract awards and open bids by industry code
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← 54 Professional, Scientific, and Technical Services

541 Professional, Scientific, and Technical Services

  1. 541110Offices of Lawyers
  2. 541191Title Abstract and Settlement Offices
  3. 541199All Other Legal Services
  4. 541211Offices of Certified Public Accountants
  5. 541214Payroll Services
  6. 541219Other Accounting Services
  7. 541310Architectural Services
  8. 541320Landscape Architectural Services
  9. 541330Engineering Services
  10. 541350Building Inspection Services
  11. 541360Geophysical Surveying and Mapping Services
  12. 541370Surveying and Mapping (except Geophysical) Services
  13. 541380Testing Laboratories and Services
  14. 541410Interior Design Services
  15. 541430Graphic Design Services
  16. 541490Other Specialized Design Services
  17. 541511Custom Computer Programming Services
  18. 541512Computer Systems Design Services
  19. 541513Computer Facilities Management Services
  20. 541519Other Computer Related Services
  21. 541611Administrative Management and General Management Consulting Services
  22. 541612Human Resources Consulting Services
  23. 541613Marketing Consulting Services
  24. 541614Process, Physical Distribution, and Logistics Consulting Services
  25. 541618Other Management Consulting Services
  26. 541620Environmental Consulting Services
  27. 541690Other Scientific and Technical Consulting Services
  28. 541713Research and Development in Nanotechnology
  29. 541714Research and Development in Biotechnology (except Nanobiotechnology)
  30. 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
  31. 541720Research and Development in the Social Sciences and Humanities
  32. 541810Advertising Agencies
  33. 541820Public Relations Agencies
  34. 541850Indoor and Outdoor Display Advertising
  35. 541890Other Services Related to Advertising
  36. 541910Marketing Research and Public Opinion Polling
  37. 541922Commercial Photography
  38. 541930Translation and Interpretation Services
  39. 541940Veterinary Services
  40. 541990All Other Professional, Scientific, and Technical Services

All sectors

  1. 11Agriculture, Forestry, Fishing and Hunting
  2. 21Mining, Quarrying, and Oil and Gas Extraction
  3. 22Utilities
  4. 23Construction
  5. 31-33Manufacturing
  6. 42Wholesale Trade
  7. 44-45Retail Trade
  8. 48-49Transportation and Warehousing
  9. 51Information
  10. 52Finance and Insurance
  11. 53Real Estate and Rental and Leasing
  12. 54Professional, Scientific, and Technical Services
  13. 56Administrative and Support and Waste Management and Remediation Services
  14. 61Educational Services
  15. 62Health Care and Social Assistance
  16. 71Arts, Entertainment, and Recreation
  17. 72Accommodation and Food Services
  18. 81Other Services (except Public Administration)
  19. 92Public Administration

541690 Other Scientific and Technical Consulting Services: federal contract awards

Federal agencies obligated $1.8 billion on contracts coded 541690 from July 1, 2025 to June 30, 2026. They made 1,118 new awards with a median of $84,435. Small businesses received 32% of the money.

Contract obligations
$1.8 billionJul 2025 to Jun 2026
New awards
1,118signed in the window
Median new award
$84,435obligated to date
Small-business share
32%$589.7 million

Which federal offices buy 541690 work

The five awarding offices with the largest obligations under 541690, Jul 2025 to Jun 2026
Awarding officeDepartmentObligationsShare of 541690
Department of the Air ForceDOD$373.3 million20%
Agency for International DevelopmentUSAID$280.9 million15%
National Institutes of HealthHHS$189.4 million10%
Department of the ArmyDOD$141.0 million8%
Department of the NavyDOD$113.4 million6%

Which companies received 541690 awards

The five recipients with the largest obligations under 541690, Jul 2025 to Jun 2026, as named in USAspending
RecipientObligationsShare of 541690
DOMESTIC AWARDEES (UNDISCLOSED)$275.0 million15%
PARSONS GOVERNMENT SERVICES INC.$126.2 million7%
GENERAL DYNAMICS ONE SOURCE LLC$111.4 million6%
KELLY SERVICES, INC.$90.2 million5%
SYSTEM HIGH CORPORATION$79.8 million4%

How the 541690 money was set aside

Share of obligations by the set-aside type recorded on each contract action. Orders under larger contract vehicles often record none.

Small business set-aside5.0%$92.3 million
Service-disabled veteran-owned1.1%$21.0 million
8(a)4.5%$83.1 million
Women-owned (WOSB, EDWOSB)0.1%$2.7 million
Veteran-owned (VA)<0.1%$175,000
No set-aside used35%$645.2 million
No set-aside type recorded54%$986.0 million

Open for bids on SAM.gov on September 29, 2026

The SAM.gov extract of September 29, 2026 listed 13 open notices coded 541690 whose response deadline had not passed: 5 sources sought notices, 4 solicitations, 2 combined synopsis/solicitations, 2 presolicitations.

  • Open notices13
  • Solicitations and combined synopses6
  • Sources sought and presolicitations7
  • Posted in the 30 days before the extract8
  • Naming a place of performance31%
  • Median days from posting to response deadline11

Set-asides on these notices: Set-aside not stated: 7; Total small business set-aside: 4; 8(a) set-aside: 2.

Posting agencies with the most open notices: (2), ENERGY, DEPARTMENT OF (2), FARM PRODUCTION AND CONSERVATION BUSINESS CENTER (2), NUCLEAR REGULATORY COMMISSION (2), VETERANS AFFAIRS, DEPARTMENT OF (2).

Most common places of performance: Florida (1), Iowa (1), Virginia (1), West Virginia (1).

This is a snapshot. The live list is on SAM.gov Contract Opportunities, where you can filter by NAICS code.

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The daily digest emails you the notices posted on SAM.gov under 541690 and up to nine more codes, in the states you choose, each with its response deadline, set-aside and SAM.gov link, and the award figures on this page for context. $149 a year.

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Award figures: USAspending.gov, contract award types A to D (BPA calls, purchase orders, delivery orders, definitive contracts), action dates July 1, 2025 to June 30, 2026, retrieved September 29, 2026. Open notices: SAM.gov Contract Opportunities public extract of September 29, 2026. How each figure is defined.