10 Open NAICS 541690 Government Contracts
10 open solicitations are currently posted under NAICS 541690 (Other Scientific and Technical Consulting Services).
Over the past 12 months, agencies posted 170 solicitations, with INTERIOR, DEPARTMENT OF THE, VETERANS AFFAIRS, DEPARTMENT OF, DEPT OF DEFENSE among the top buyers.
Data is refreshed daily from SAM.gov.
Top Buying Agencies (Last 12 Months)
- 48 solicitationsView opportunities →
- 45 solicitationsView opportunities →
- 44 solicitationsView opportunities →
- 42 solicitationsView opportunities →
- 22 solicitationsView opportunities →
Top Award Winners (Last 12 Months)
- LBT DIAGNOSTIC RADIATION PHYSICS CONSULTING LTD3 awards · $306K
- CORGAN ASSOCIATES INC1 awards · $900K
- DANIELLE SIRIVAT1 awards · $75K
- DELOITTE CONSULTING LLP1 awards · $563K
- COMPASS CG LLC1 awards · $234K
Top Contract Action Leaders (Last 12 Months)
- UNWIN CO1 awards · $37.4M
- VERTEX AEROSPACE LLC1 awards · $20.1M
- PUNDIR GROUP, INC133 awards · $18.1M
- NATIONAL ACADEMY OF SCIENCES24 awards · $10.7M
- ESSEX MANAGEMENT LLC1 awards · $5.5M
Open Solicitations
See all →- Health Economics Analysis Services
HEALTH AND HUMAN SERVICES, DEPARTMENT OFNAICS 541690Due Oct 9, 2026
• IHS seeks PhD-Level Health Economics Analysis Services under a firm-fixed-price purchase order. • This is a total small business set-aside under NAICS 541690 with a $19M size standard. • The acquisition is for commercial services to be procured under RFO Part 12 authorities.
- Health Economics Analysis Services
HEALTH AND HUMAN SERVICES, DEPARTMENT OFNAICS 541690Due Oct 9, 2026
• HHS seeks PhD-Level Health Economics Analysis Services through a single firm-fixed-price purchase order. • This acquisition is a total small business set-aside under NAICS 541690 with a $19M size standard. • The buy is conducted under Revolutionary FAR Overhaul Part 12 for commercial services.
- MC CBRN Request For Information
DEPT OF DEFENSENAICS 541690Due Oct 9, 2026
• AFMEDCOM requires non-personal advisory and assistance services for medical CBRN defense support. • This is an unrestricted competition with no specified set-aside or NAICS code mentioned. • Technical support must include medical CBRN expertise for installation and expeditionary medical response. • No deadline for responses is specified in the RFI.
- MC CBRN Request For Information
DEPT OF DEFENSENAICS 541690Due Oct 9, 2026
• AFMEDCOM requires advisory and assistance services for medical CBRN defense and response. • This is an unrestricted competition with no specified set-aside or NAICS code mentioned. • Technical support must include medical CBRN expertise for installation and expeditionary medical response. • No deadline for responses is specified in the RFI.
- Respirator Fit Testing
VETERANS AFFAIRS, DEPARTMENT OFNAICS 541690Due Oct 12, 2026
• The Louis A Johnson Medical Center needs industrial hygiene support, including respirator fit testing for employees. • This opportunity is unrestricted, with no specified set-aside or NAICS code mentioned. • The contractor must supply fit testing equipment and Controlled Air Purifying Respirators for 700-1000 employees. • No deadline for responses is specified in the provided description.
- Respirator Fit Testing
VETERANS AFFAIRS, DEPARTMENT OFNAICS 541690Due Oct 13, 2026
• The Louis A Johnson Medical Center needs industrial hygiene support through quantitative respirator fit testing. • This opportunity is unrestricted, with no specified set-aside or NAICS code mentioned. • Support must include supplying fit testing equipment and Controlled Air Purifying Respirators for 700-1000 employees.
- Community Health Immunization Resources
HEALTH AND HUMAN SERVICES, DEPARTMENT OFNAICS 541690Due Oct 13, 2026
• The Indian Health Service requires Community Health Immunization Resources services. • This is a 100% Indian Small Business Economic Enterprise set-aside under the applicable NAICS code. • Community health immunization resources must be provided as commercial services in accordance with FAR Part 12. • Quotes are due October 13, 2026, by 5:00 pm Eastern Time.
- R--Technical Services Support
ENERGY, DEPARTMENT OFNAICS 541690Due Oct 14, 2026
• The Department of Energy needs security support services for multiple offices in Oak Ridge, Tennessee. • This acquisition is unrestricted, with no specified set-aside or NAICS code mentioned. • Work includes site-wide security support functions for Safeguards and Security responsibilities in a secure environment.
- R--Technical Services Support
ENERGY, DEPARTMENT OFNAICS 541690Due Oct 14, 2026
• The Department of Energy requires security support services for various offices in Oak Ridge, Tennessee. • This acquisition is unrestricted. • Key responsibilities include site-wide security support functions protecting critical national security assets. • No response deadline is specified.
- AFCENT Battle Lab Commercial Solutions Opening
DEPT OF DEFENSENAICS 541690
• Shaw AFB seeks innovative commercial solutions or potential new capabilities at their facility in South Carolina. • This CSO is open and continuously accepting Solution Briefs with a placeholder PSC (1263) and NAICS, and awards will be RFO Part 12 contracts. • The CSO aims to procure technologies and services not currently used by the Air Force to enhance mission capabilities. • Responses are due prior to an Inactive Date specified for consideration in response briefs.
Recently Awarded (Last 90 Days)
- H958-- Physicist Services Manchester POP 10/03/2026-10/02/2027 $19,170.00
VETERANS AFFAIRS, DEPARTMENT OF→ F. X. MASSE ASSOCIATES, INC.$100K
- HRSA/MCHB Newborn Screening Systematic Evidence Review IDIQ and Task Order 1
HEALTH AND HUMAN SERVICES, DEPARTMENT OF→ RESEARCH TRIANGLE INSTITUTE$1.5B
- Lock Out – Tag Out (LOTO) Services at the Chillicothe VAMC - Chillicothe, OH
VETERANS AFFAIRS, DEPARTMENT OF→ VISUAL SAFETY SYSTEMS L.L.C.$165K
- Psychological Health and Safety Data Analysis
DEPT OF DEFENSE→ RISK EFFICACY CORPORATION$80K
- VAERS Monitoring, Analytics, Reporting and Automation Enhancement
HEALTH AND HUMAN SERVICES, DEPARTMENT OF→ CHICKASAW SERVICE SOLUTIONS, LLC$243K
- F--VEGETATION SURVEY - DISTRICT 10 SOUTH
INTERIOR, DEPARTMENT OF THE→ DDC 4C, LLC$421K
- F--WNA VEGETATION INVENTORY FOR LMD 1, BIA, WNA, BNR
INTERIOR, DEPARTMENT OF THE→ DDC 4C, LLC$490K
- A--Development of electromagnetic transmitter and receiver technology.
ENERGY, DEPARTMENT OF→ ENTHALPION ENERGY LLC$598K
- FDA Occupational Safety, Industrial Hygiene, Information Systems, and Training (OSIST) IDIQ
HEALTH AND HUMAN SERVICES, DEPARTMENT OF→ IHRC, INCORPORATED$14.5M
- B--AZ ES ARCHAEOLOGICAL SERVICES
INTERIOR, DEPARTMENT OF THE→ HARRIS ENVIRONMENTAL GROUP INC$4K
NAICS 541690 by Set-Aside Type
Frequently Asked Questions
What professional services contracts does the federal government award (NAICS 54)?
NAICS sector 54 (Professional, Scientific, and Technical Services) is one of the largest federal contracting sectors, covering IT consulting, engineering, R&D, management consulting, architecture, legal services, and accounting. Major buyers include DoD, DHS, VA, and civilian agencies across all categories.
How do I find federal contracting opportunities?
Federal contracting opportunities are posted on SAM.gov (System for Award Management). You can search by keyword, NAICS code, set-aside type, agency, and response deadline. FedOps aggregates and enriches SAM.gov data daily so you can filter and track opportunities in one place.
What is a set-aside in federal contracting?
A set-aside is a procurement reserved for a specific category of small business. Common set-asides include SDVOSB (Service-Disabled Veteran-Owned), 8(a), WOSB (Women-Owned), HUBZone, and Small Business. Only businesses that meet the eligibility requirements can bid on a set-aside contract.
How do I register to bid on federal contracts?
You must register your business in SAM.gov (sam.gov), which is free. You'll need a DUNS/UEI number, NAICS codes for your business, bank account information for electronic funds transfer, and applicable certifications (8(a), SDVOSB, WOSB, etc.) if bidding on set-asides. Registration is renewed annually.