Federal contract market · NAICS 541690
Other Scientific and Technical Consulting Services (NAICS 541690): Federal Contract Market
Data through 2026-08-24 · FY2026 to date
- Obligations, FY2026 to date
- $1.4B
- Contract awards
- 2,723
- Average award size
- $500K
- vs. prior full fiscal year
- 37.2% decline
| Item | Obligations |
|---|---|
| FY21 | $1.9B |
| FY22 | $2B |
| FY23 | $2B |
| FY24 | $2.3B |
| FY25 | $2.2B |
| FY26 | $1.4B |
Obligations fell 37.2% year over year, from $2.2B in FY2025 to $1.4B in FY2026 to date.
Other Scientific and Technical Consulting Services (NAICS 541690) has federal contract obligations of $1.4B in FY2026 to date. Award volume totaled 2,723 awards with an average award size of $500K. Obligations fell 37.2% year over year. Obligations by fiscal year were $1.9B in FY21, $2B in FY22, $2B in FY23, $2.3B in FY24, $2.2B in FY25, and $1.4B in FY26. The Department of Defense, Department of Health and Human Services, and Agency for International Development are the largest buying agencies in FY2026 to date with obligations of $431M, $335M, and $276M respectively. DOMESTIC AWARDEES (UNDISCLOSED), GENERAL DYNAMICS ONE SOURCE LLC, and KELLY SERVICES, INC. are the largest vendors in FY2026 to date with obligations of $275M, $93.6M, and $70.4M respectively. Other notable buyers include the Department of Energy at $71M and the Department of State at $45.1M. The program shows a meaningful downshift in obligations in the current fiscal year while award counts and average award size point to continued transactional activity across multiple agencies.
How has spending trended over recent fiscal years?
Obligations by fiscal year were $1.9B in FY21, $2B in FY22, $2B in FY23, $2.3B in FY24, $2.2B in FY25, and $1.4B in FY26. Obligations fell 37.2% year over year. AwardCount was 2,723 in FY2026 to date, with an average award size of $500K. The mix of many awards and a mid-size average suggests broadened contracting activity despite lower total obligations.
| Item | Obligations |
|---|---|
| Department of Defense | $431M |
| Department of Health and Human Services | $335M |
| Agency for International Development | $276M |
| Department of Energy | $71M |
| Department of State | $45.1M |
| General Services Administration | $41.4M |
| Department of the Interior | $35.3M |
| Department of Veterans Affairs | $31.8M |
| National Aeronautics and Space Administration | $19.6M |
| Federal Trade Commission | $16.2M |
Department of Defense was the top buyer, obligating $431M (31.7% of all obligations).
Who are the biggest buyers and vendors right now?
The Department of Defense is the largest buyer at $431M in FY2026 to date, followed by the Department of Health and Human Services at $335M and the Agency for International Development at $276M. DOMESTIC AWARDEES (UNDISCLOSED) lead vendors at $275M, followed by GENERAL DYNAMICS ONE SOURCE LLC at $93.6M and KELLY SERVICES, INC. at $70.4M. Several civilian agencies and defense contractors also appear in the top ten lists, indicating cross-government demand.
| Item | Obligations |
|---|---|
| DOMESTIC AWARDEES (UNDISCLOSED) | $275M |
| GENERAL DYNAMICS ONE SOURCE LLC | $93.6M |
| KELLY SERVICES, INC. | $70.4M |
| SYSTEM HIGH CORPORATION | $54M |
| UNWIN CO | $42.6M |
| PARSONS GOVERNMENT SERVICES INC. | $39.3M |
| PUNDIR GROUP, INC | $38.8M |
| LOCKHEED MARTIN CORPORATION | $35.8M |
| HARVARD PILGRIM HEALTH CARE, INC. | $32.9M |
| MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | $30.7M |
DOMESTIC AWARDEES (UNDISCLOSED) led all vendors with $275M in obligations, 20.2% of the market.
| Rank | Vendor | Obligations |
|---|---|---|
| 1 | DOMESTIC AWARDEES (UNDISCLOSED) | $275M |
| 2 | GENERAL DYNAMICS ONE SOURCE LLC | $93.6M |
| 3 | KELLY SERVICES, INC. | $70.4M |
| 4 | SYSTEM HIGH CORPORATION | $54M |
| 5 | UNWIN CO | $42.6M |
| 6 | PARSONS GOVERNMENT SERVICES INC. | $39.3M |
| 7 | PUNDIR GROUP, INC | $38.8M |
| 8 | LOCKHEED MARTIN CORPORATION | $35.8M |
| 9 | HARVARD PILGRIM HEALTH CARE, INC. | $32.9M |
| 10 | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | $30.7M |
| Rank | Recipient | Award Amount | Awarding Agency |
|---|---|---|---|
| 1 | DOMESTIC AWARDEES (UNDISCLOSED) | $723M | Agency for International Development |
| 2 | LOCKHEED MARTIN CORPORATION | $364M | Department of Defense |
| 3 | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | $271M | Department of Defense |
| 4 | UNWIN CO | $214M | Department of Energy |
| 5 | SYSTEM HIGH CORPORATION | $146M | Department of Defense |
| 6 | MICHAEL STAPLETON ASSOCIATES, LTD. | $123M | Department of State |
| 7 | AMERESCO SELECT, INC. | $113M | Department of Defense |
| 8 | PAE GOVERNMENT SERVICES, INC. | $83.9M | Department of State |
| 9 | SYSTEM HIGH CORPORATION | $82.3M | Department of Defense |
| 10 | PARSONS GOVERNMENT SERVICES INC. | $76.7M | Department of Defense |
| 11 | LOCKHEED MARTIN CORP | $74.2M | Department of Defense |
| 12 | PARSONS GOVERNMENT SERVICES INC. | $65.9M | Department of Defense |
| 13 | GLOBAL ENGINEERING & TECHNOLOGY INC | $65.2M | Department of Energy |
| 14 | DEPENDABLE GLOBAL SOLUTIONS, LLC | $60.3M | Department of Energy |
| 15 | ESSEX MANAGEMENT LLC | $58.6M | Department of the Interior |
| 16 | BELL TEXTRON INC | $56.9M | Department of Defense |
| 17 | IDS INTERNATIONAL, LLC | $54.2M | Department of State |
| 18 | PARSONS GOVERNMENT SERVICES INC. | $54.1M | Department of Defense |
| 19 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $45.4M | Department of Homeland Security |
| 20 | VANTOR SERVICES INC. | $45.2M | Department of Defense |
| 21 | GENERAL DYNAMICS ONE SOURCE LLC | $43.2M | Department of Defense |
| 22 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $42.9M | Department of Homeland Security |
| 23 | SYNERGY SOLUTIONS, INCORPORATED | $41.3M | Department of Energy |
| 24 | PARSONS GOVERNMENT SERVICES INC. | $40.7M | Department of Defense |
| 25 | AKIMA DATA MANAGEMENT LLC | $40.2M | Department of Defense |
| Rank | Contract | Incumbent | Award Value | Awarding Agency | Ends |
|---|---|---|---|---|---|
| 1 | HR001122C0073 | SYSTEM HIGH CORPORATION | $146M | Department of Defense | 2027-03-20 |
| 2 | 19AQMM22F3663 | MICHAEL STAPLETON ASSOCIATES, LTD. | $123M | Department of State | 2027-03-29 |
| 3 | SAQMMA17F2509 | PAE GOVERNMENT SERVICES, INC. | $99M | Department of State | 2026-09-26 |
| 4 | SAQMMA17F2550 | PAE GOVERNMENT SERVICES, INC. | $83.9M | Department of State | 2026-09-26 |
| 5 | FA564125F0011 | PARSONS GOVERNMENT SERVICES INC. | $76.7M | Department of Defense | 2027-03-31 |
| 6 | FA564125F0021 | PARSONS GOVERNMENT SERVICES INC. | $65.9M | Department of Defense | 2026-09-29 |
| 7 | 140D0421F0589 | ESSEX MANAGEMENT LLC | $58.6M | Department of the Interior | 2026-08-31 |
| 8 | 70T01021F7670N010 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $45.4M | Department of Homeland Security | 2026-10-19 |
| 9 | H9240022C0002 | VANTOR SERVICES INC. | $45.2M | Department of Defense | 2026-08-31 |
| 10 | 70T01021F6100N001 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $42.9M | Department of Homeland Security | 2026-10-17 |
| 11 | 72011721C00001 | CHEMONICS INTERNATIONAL, INC. | $42.3M | Agency for International Development | 2027-03-22 |
| 12 | HDTRA122C0026 | AKIMA DATA MANAGEMENT LLC | $40.2M | Department of Defense | 2027-02-28 |
| 13 | HQ085821C0013 | MOBIUS CONSULTING, LLC | $40.1M | Department of Defense | 2027-07-15 |
| 14 | 89303026CEA000006 | UNWIN CO | $37.4M | Department of Energy | 2027-02-28 |
| 15 | 70T04021F7672N052 | BATTELLE MEMORIAL INSTITUTE | $34.7M | Department of Homeland Security | 2026-09-16 |
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Frequently asked questions
How much does the federal government spend on NAICS 541690?
The federal government obligated $1.4B on NAICS 541690 in FY2026 to date. AwardCount was 2,723 and the average award size was $500K, while obligations fell 37.2% year over year.
Which agencies buy the most NAICS 541690 services?
The Department of Defense, Department of Health and Human Services, and Agency for International Development buy the most NAICS 541690 services. Obligations were $431M for the Department of Defense, $335M for the Department of Health and Human Services, and $276M for the Agency for International Development in FY2026 to date.
Who are the largest NAICS 541690 government contractors?
DOMESTIC AWARDEES (UNDISCLOSED), GENERAL DYNAMICS ONE SOURCE LLC, and KELLY SERVICES, INC. are the largest NAICS 541690 government contractors. Obligations were $275M for DOMESTIC AWARDEES (UNDISCLOSED), $93.6M for GENERAL DYNAMICS ONE SOURCE LLC, and $70.4M for KELLY SERVICES, INC. in FY2026 to date.
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