NAICS 541690 contract opportunities

Other Scientific and Technical Consulting Services

7 open federal contract opportunities in NAICS 541690 right now, soonest deadline first: solicitations, presolicitations and sources-sought notices still taking responses. Each one links to the notice on SAM.gov.

Open solicitations

Oct 14, 10:00 AM UTC-4due today

Health Economics Analysis Services

HEALTH AND HUMAN SERVICES, DEPARTMENT OF > INDIAN HEALTH SERVICE · NAICS 541690 · PSC R499

Small Business Set Aside - TotalSolicitationMD · office location

View on SAM.gov → · Solicitation 75H70427Q00003 · Posted Oct 7, 2026

Oct 14, 1:00 PM UTC-4due today

Scientific Consulting Services for the Brown Tree Snake

AGRICULTURE, DEPARTMENT OF > ANIMAL AND PLANT HEALTH INSPECTION SERVICE · NAICS 541690 · PSC B529

No Set aside usedSources SoughtMN · office location

View on SAM.gov → · Solicitation 1174626 · Posted Oct 7, 2026

Oct 21, 2:30 PM UTC-4in 7 days

R--Technical Services Support

ENERGY, DEPARTMENT OF · NAICS 541690 · PSC R499

8(a) Set-Aside (FAR 19.8)SolicitationTN · office location

View on SAM.gov → · Solicitation 89243126RSC000172 · Posted Oct 9, 2026

Nov 1, 9:00 AM UTC-5in 19 days

RELAP5-3D 4.x: Thermal-Hydraulic Nuclear Reactor Analysis, Licensing Opportunity

ENERGY, DEPARTMENT OF · NAICS 541690 · PSC R412

Special NoticeIdaho Falls, ID

View on SAM.gov → · Solicitation CW-25-06 · Posted Apr 20, 2026

Nov 8, 5:00 PM UTC-5in 26 days

Safety, Prevention, Epidemiology, and Education Development for Health Care and Antimicrobial Resistance - SPEED 2027-2032

HEALTH AND HUMAN SERVICES, DEPARTMENT OF > CENTERS FOR DISEASE CONTROL AND PREVENTION · NAICS 541690 · PSC R499

Small Business Set Aside - PartialPresolicitationAtlanta, GA

View on SAM.gov → · Solicitation 75D301-27-R-73532 · Posted Oct 8, 2026

Nov 9, 12:00 PM UTC-8in 27 days

Monitoring and Evaluation of Russian River Coho Salmon

DEPT OF DEFENSE > DEPT OF THE ARMY · NAICS 541690 · PSC B529

Combined Synopsis/SolicitationCA

View on SAM.gov → · Solicitation W912P727QA002 · Posted Oct 8, 2026

Sep 30, 6:00 AM UTC-4in 351 days

FY27 - EXPERT REVIEW BOARS

AGRICULTURE, DEPARTMENT OF > FARM PRODUCTION AND CONSERVATION BUSINESS CENTER · NAICS 541690 · PSC G008

No Set aside usedSources SoughtWashington, DC

View on SAM.gov → · Solicitation FY27-EXPERT-REVIEW-BOARDS · Posted Oct 9, 2026

Filter these in the open solicitations feed. Deadlines are shown in the notice's own time zone.

Recent awards

83 contract awards in NAICS 541690 signed in the last 90 days, worth $1,591.3M in total. See who won them.

From USAspending.gov and SAM.gov award notices. USAspending publishes Defense awards about 90 days after signing.

What NAICS 541690 covers

Scientific and technical advice not listed elsewhere, such as energy, safety and agricultural consulting. Official title: Other Scientific and Technical Consulting Services. It is part of the Professional, Scientific, and Technical Services sector.

Every federal solicitation names one NAICS code for the work. The code's small-business size standard decides who counts as small for that bid, and your SAM.gov registration lists the codes your company works in.

Open bids by state

California 1 open
District of Columbia 1 open
Georgia 1 open
Idaho 1 open
Maryland 1 open
Minnesota 1 open
Tennessee 1 open

By place of performance; notices that name none count under the contracting office's state.