Government Other Scientific and Technical Consulting Services Contracts
NAICS 541690 · Other Scientific and Technical Consulting Services
Government other scientific and technical consulting services contracts totaled $6.4B across 9,155 awards from FY2024 to FY2026. In FY2026, obligations were down 10.7% from FY2025; the Department of Defense was the largest buyer, accounting for $2.1B, or 32% of the total.
Key figures
In FY2026, contract obligations were $1,935,555,174 across 3,803 awards with activity that year, a change of -10.7% from $2,166,528,892 in FY2025. From FY2024 to FY2026, obligations totaled $6,445,505,465 across 9,155 awards.
- Obligated in FY2026
- $1.9B
- Awards in FY2026
- 3,803
- Change vs FY2025
- -10.7%
- Total, FY2024 to FY2026
- $6.4B
Note: FY2026 ended on Sep 30, 2026. The Department of Defense publishes contract data with a 90-day delay, so FY2026 totals may still rise as late reports arrive.
Other Scientific and Technical Consulting Services contract spending by year
Federal other scientific and technical consulting services contracts per fiscal year (October to September), under NAICS 541690. The table below lists the same numbers.
| Fiscal year | Obligated | Awards | Change |
|---|---|---|---|
| FY2026 | $1,935,555,174 | 3,803 | -10.7% |
| FY2025 | $2,166,528,892 | 4,792 | -7.5% |
| FY2024 | $2,343,421,399 | 6,252 | n/a |
About government other scientific and technical consulting services contracts
Federal spending on other scientific and technical consulting services contracts fell 17% from FY2024 ($2.3B) to FY2026 ($1.9B). FY2026 closed recently, and Defense Department contracts are reported up to 90 days late, so its total may still rise.
Spending is spread widely: the top 3 contractors account for 26% of the total. No single company dominates, which leaves room for new and small contractors.
The Department of Defense spends the most on other scientific and technical consulting services contracts (32%), followed by the Department of Health and Human Services. The states with the most of this work are Virginia, Maryland and Michigan.
NAICS 541690 (Other Scientific and Technical Consulting Services) is part of the Professional, Scientific, and Technical Services sector.
Top other scientific and technical consulting services government contractors
Companies ranked by contract dollars under NAICS 541690 (Other Scientific and Technical Consulting Services).
| # | Contractor | Obligated | Share |
|---|---|---|---|
| 1 | Domestic Awardees (Undisclosed) | $1,043,908,735 | 16.2% |
| 2 | Kelly Services, Inc. | $389,476,258 | 6.0% |
| 3 | General Dynamics One Source LLC | $244,944,004 | 3.8% |
| 4 | Parsons Government Services Inc. | $235,613,922 | 3.7% |
| 5 | Lockheed Martin Corporation | $182,523,867 | 2.8% |
| 6 | System High Corporation | $169,893,039 | 2.6% |
| 7 | Unwin Co | $115,911,007 | 1.8% |
| 8 | General Dynamics Information Technology, Inc. | $110,702,958 | 1.7% |
| 9 | Mantech Advanced Systems International, Inc. | $110,398,430 | 1.7% |
| 10 | Gap Solutions, Inc. | $110,294,080 | 1.7% |
Agencies buying other scientific and technical consulting services
Federal agencies ranked by contract dollars under NAICS 541690.
| # | Agency | Obligated | Share |
|---|---|---|---|
| 1 | Department of Defense | $2,083,720,733 | 32.3% |
| 2 | Department of Health and Human Services | $1,412,612,652 | 21.9% |
| 3 | Agency for International Development | $1,389,963,362 | 21.6% |
| 4 | Department of Energy | $257,656,542 | 4.0% |
| 5 | Department of Homeland Security | $215,878,746 | 3.3% |
| 6 | Department of the Interior | $174,777,889 | 2.7% |
| 7 | Department of State | $155,220,500 | 2.4% |
| 8 | Department of Commerce | $117,977,942 | 1.8% |
| 9 | General Services Administration | $114,707,628 | 1.8% |
| 10 | Department of Veterans Affairs | $108,208,849 | 1.7% |
Where other scientific and technical consulting services contract work is performed
States ranked by contract dollars, using the place of performance on each award.
| # | State | Obligated | Share |
|---|---|---|---|
| 1 | Virginia | $1,511,141,142 | 23.4% |
| 2 | Maryland | $725,345,554 | 11.3% |
| 3 | Michigan | $436,153,240 | 6.8% |
| 4 | District of Columbia | $422,992,475 | 6.6% |
| 5 | Florida | $269,522,772 | 4.2% |
| 6 | California | $250,063,403 | 3.9% |
| 7 | Ohio | $108,658,464 | 1.7% |
| 8 | Texas | $102,949,865 | 1.6% |
| 9 | Hawaii | $86,555,934 | 1.3% |
| 10 | Massachusetts | $73,550,854 | 1.1% |
Recent other scientific and technical consulting services contract awards
The latest other scientific and technical consulting services contracts, newest first. Each award ID links to its record on USAspending.gov.
| Start date | Recipient | Agency and description | Amount | Record |
|---|---|---|---|---|
| Sep 30, 2026 | Research Triangle Institute | Department of Health and Human Services4CAST ID: MCHB62 C 7270 TITLE: TASK ORDER TO SUPPORT EVIDENCE REVIEWS AND NEWBORN SCREENING PROCESSES AND REPORTS AWARD TYPE: FIRM-FIXED PRICE | $1,993,225 | 75R60226F34001 |
| Sep 30, 2026 | Research Triangle Institute | Department of Health and Human ServicesINTEGRATION OF DIABETES SIMULATION MODELS | $299,376 | 7571TE26P00399 |
| Sep 30, 2026 | George Mason University | Department of TransportationTHOR 5TH FEMALE FE MODEL DEVELOPMENT | $296,072 | 693JJ926C000006 |
| Sep 30, 2026 | Pundir Group, Inc | General Services AdministrationHI0011ZZ PJKK FEDERAL BUILDING EMERGENCY HURRICANE LALA FLOOD RESPONSE | $29,736 | 47PD5526F0387 |
| Sep 30, 2026 | Visual Safety Systems L.l.c. | Department of Veterans AffairsLOCKOUT TAGOUT SERVICES EO 14938 | $26,918 | 36C25026P1144 |
| Sep 30, 2026 | Gardaworld Mocambique Limitada | Department of StatePROVIDE SECURITY LIAISON SERVICES TO SUPPORT USG FOREIGN ASSISTANCE IMPLEMENTERS OPERATING IN NORTHER MOZAMBIQUE'S HIGH-THREAT ENVIRONMENT. | $499,532 | 19GE5026P0142 |
| Sep 30, 2026 | Culmen International, LLC | Department of StateSYNTHETIC OPIOID THREAT ASSESSMENT DESKTOP STUDY | $49,973 | 19AQMM26F1760 |
| Sep 30, 2026 | Identity Theft Guard Solutions, Inc. | Department of JusticeMISSION CRITICAL - APPREHENDING FUGITIVES FY26-IOD: IDENTITY PROTECTION SERVICES CF: APC-FY26-000186 | $4,172 | 15M10226PA4700558 |
| Sep 30, 2026 | National Academy of Sciences | Department of AgricultureFNA IS SEEKING A QUALIFIED CONTRACTOR TO CONDUCT THE THIRD COMPREHENSIVE SCIENTIFIC REVIEW OF THE WIC FOOD PACKAGES, BUILDING UPON THE SCIENTIFIC EVIDENCE IN THE PREVIOUS TWO REPORTS AND THE CURRENT F | $3,900,000 | 12319826C5007 |
| Sep 29, 2026 | Enel X Advisory Services USA, LLC | General Services AdministrationREVERSE AUCTION PLATFORM FOR NATURAL GAS AUCTION AND ELECTRICITY AUCTION. | $0 | 47PH5326C0019 |
| Sep 29, 2026 | Prolific Academic LTD | Department of Health and Human ServicesBASE AWARD - USAGE OF ONLINE RECRUITMENT PLATFORM FOR BEHAVIORAL NUTRITION STUDIES | $37,800 | 75N98026P01890 |
| Sep 29, 2026 | Ihrc, Incorporated | Department of Health and Human Services"EO 14398" OOSH WORKSTREAM SUPPORT SERVICES | $1,505,880 | 75F40126F19003 |
| Sep 29, 2026 | Ihrc, Incorporated | Department of Health and Human Services"EO 14398" ANNUAL CERTIFICATION, MAINTENANCE, REPAIR, AND ANCILLARY SUPPORT SERVICES FOR PRIMARY BARRIER EQUIPMENT (PBE) AT HUMAN FOODS PROGRAM (HFP) LABORATORY FACILITIES. | $187,588 | 75F40126F19002 |
| Sep 29, 2026 | Acumen LLC | Department of Health and Human ServicesBEST 1 CONTRACT | $12,919,772 | 75F40126C00218 |
| Sep 29, 2026 | Purdue University | Department of Health and Human ServicesEO 14398 - DEVELOPING REGULATORY SCIENCE TOOLS FOR ORAL PEPTIDE DELIVERY: INTEGRATING MECHANISTIC UNDERSTANDING WITH PREDICTIVE IN VITRO MODELS. (BAA# FY26C1CP7) | $540,907 | 75F40126C00153 |
| Sep 29, 2026 | Pundir Group, Inc | General Services AdministrationTHEODORE LEVIN US COURTHOUSE, 231 W LAFAYETTE BLVD, DETROIT, MI PROVIDE LABOR AND MATERIAL TO REPLACE THE 2 FAILED DOMESTIC COLD WATER PRVS ON THE 6TH FLOOR MEZZANINE AT THE LEVIN COURTHOUSE. | $18,964 | 47PE5626F0516 |
| Sep 29, 2026 | Pundir Group, Inc | General Services AdministrationCOA 3RD FLOOR DOOR REFINISHING OF 7 DOORS TO BE PERFORMED AT JAMES R. BROWNING UNITED STATES COURTHOUSE, 95 7TH ST, SAN FRANCISCO, CA 94103. | $49,878 | 47PD5426F0339 |
| Sep 29, 2026 | Pundir Group, Inc | General Services AdministrationFIRE SPRINKLER LEAK REPAIR AT ROBERT F. PECKHAM FEDERAL BUILDING, 280 S 1ST STREET, SAN JOSE, CA 95113. | $7,922 | 47PD5426F0333 |
| Sep 29, 2026 | Cornerstone Research Inc | Federal Trade CommissionECONOMIC CONSULTING SERVICES | $150,000 | 29FTC126C0049 |
| Sep 29, 2026 | Analysis Group Inc | Federal Trade CommissionECONOMIC CONSULTING SERVICES | $100,000 | 29FTC126C0046 |
| Sep 29, 2026 | Miscellaneous Foreign Awardees | Department of StatePD - SERVICES FOR ALLIANCE WITH PRIVATE SECTOR | $72,415 | 19GT5026C0023 |
| Sep 28, 2026 | Home Essentials SL | Department of StateRESIDENTIAL FURNITURE US MISSION SPAIN AND PORTUGAL | $1,940 | 19GE5026F0522 |
| Sep 28, 2026 | Aleph Risk Intelligence | Department of StateMEX DS OPEN SOURCE ANALYST ALEPHRI RENEWAL FY 26 | $33,408 | 19MX5326P1652 |
| Sep 28, 2026 | Ios Partners, Inc. | United States Trade and Development AgencySOUTH AND SOUTHEAST ASIA AVIATION OPPORTUNITIES PSM | $381,321 | 1131PL26C0016 |
| Sep 28, 2026 | Midnight Sun Professional Solutions LLC | Department of Health and Human ServicesNINDS: SERVICE: GENE THERAPY CONSULTING | $27,023 | 75N98026P01879 |
Open other scientific and technical consulting services government bids
The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.
- Senior Advisor Subject Matter Expert (SME) with Pharmaceutical Development and Pain Expertise for the NINDSClosing soon
Health and Human Services, Department of · Combined Synopsis/Solicitation · NAICS 541690 · MD · Small Business Set Aside - Total
Posted Oct 30, 2026 · Responses due Nov 2, 2026
- Respirator Fit TestingClosing soon
Veterans Affairs, Department of · Combined Synopsis/Solicitation · NAICS 541690 · WV · No Set aside used
Posted Oct 30, 2026 · Responses due Nov 5, 2026
Health and Human Services, Department of · Combined Synopsis/Solicitation · NAICS 541690 · MD
Posted Oct 29, 2026 · Responses due Nov 5, 2026
- Senior Advisor Subject Matter Expert (SME) with Pharmaceutical Development and Pain Expertise for the NINDSClosing soon
Health and Human Services, Department of · Combined Synopsis/Solicitation · NAICS 541690 · MD · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 2, 2026
How to win government other scientific and technical consulting services contracts
Federal other scientific and technical consulting services contracts are posted on SAM.gov under NAICS 541690. Register your business free on SAM.gov with this code, watch for other scientific and technical consulting services bids, and look for small business set-asides: many other scientific and technical consulting services contracts for small business are reserved for small firms.
Explore government other scientific and technical consulting services contracts by state, agency and contractor
- Department of Defense contracts
- Department of Health and Human Services contracts
- Agency for International Development contracts
- Department of Energy contracts
- Department of Homeland Security contracts
- Government contracts in Virginia
- Government contracts in Maryland
- Government contracts in Michigan
- Government contracts in District of Columbia
- Government contracts in Florida
- Domestic Awardees (Undisclosed) government contracts
- General Dynamics One Source government contracts
- Parsons Government Services government contracts
- Lockheed Martin government contracts
Frequently asked questions
- What NAICS code is used for government other scientific and technical consulting services contracts?
- Federal other scientific and technical consulting services contracts use NAICS 541690 (Other Scientific and Technical Consulting Services). List this code in your free SAM.gov registration to be found for these contracts.
- Who are the largest other scientific and technical consulting services government contractors?
- By contract dollars under NAICS 541690 from FY2024 to FY2026, the largest were Domestic Awardees (Undisclosed) ($1B), Kelly Services, Inc. ($389M) and General Dynamics One Source LLC ($245M).
- Which agencies buy the most other scientific and technical consulting services?
- From FY2024 to FY2026, the biggest buyers were the Department of Defense ($2.1B), the Department of Health and Human Services ($1.4B) and the Agency for International Development ($1.4B).
- Where are government other scientific and technical consulting services contracts performed?
- By contract dollars, the most federal other scientific and technical consulting services work is performed in Virginia ($1.5B), Maryland ($725M) and Michigan ($436M).
- Is federal spending on other scientific and technical consulting services contracts growing?
- Federal other scientific and technical consulting services contract obligations fell 17% from FY2024 ($2.3B) to FY2026 ($1.9B). FY2026 closed recently, and Defense Department contracts are reported up to 90 days late, so its total may still rise.
- Do I qualify as a small business for other scientific and technical consulting services contracts?
- It depends on the SBA size standard for NAICS 541690, which is set either by average annual revenue or by number of employees. Check the current table of size standards on sba.gov before you bid on small business set-asides.
- What do I need to bid on government other scientific and technical consulting services contracts?
- An active SAM.gov registration (free) with NAICS 541690 listed, the licenses and insurance your state requires for other scientific and technical consulting services work, and examples of similar past work. Some solicitations also ask for specific certifications or security clearances.