Federal contract market · NAICS 541690
Other Scientific and Technical Consulting Services (NAICS 541690): Federal Contract Market
Data through 2026-09-28 · FY2026 to date
- Obligations, FY2026 to date
- $1.9B
- Contract awards
- 3,670
- Average award size
- $516K
- vs. prior full fiscal year
- 12.6% decline
| Item | Obligations |
|---|---|
| FY21 | $1.9B |
| FY22 | $2B |
| FY23 | $2B |
| FY24 | $2.3B |
| FY25 | $2.2B |
| FY26 | $1.9B |
Obligations fell 12.6% year over year, from $2.2B in FY2025 to $1.9B in FY2026 to date.
Other Scientific and Technical Consulting Services (NAICS 541690) has $1.9B in federal contract obligations for FY2026 to date. The market reached 3,670 awards with an average award size of $516K. Obligations fell 12.6% year over year. Fiscal-year comparisons show a multi-year range: FY21 totaled $1.9B, FY22 totaled $2B, FY23 totaled $2B, FY24 totaled $2.3B, FY25 totaled $2.2B, and FY26 totaled $1.9B. The Department of Defense is the largest buyer so far in FY2026 to date with $497M obligated. The Department of Health and Human Services follows closely with $487M, and the Agency for International Development follows with $447M. On the vendor side, DOMESTIC AWARDEES (UNDISCLOSED) lead suppliers with $447M in obligations, and KELLY SERVICES, INC. is the top named vendor with $104M. This profile highlights a concentrated set of buying agencies and a small group of large vendors capturing the bulk of obligations in the NAICS 541690 federal contract market.
Which agencies buy the most NAICS 541690 services?
The Department of Defense obligated $497M in FY2026 to date. The Department of Health and Human Services obligated $487M. The Agency for International Development obligated $447M. Several other agencies bought smaller amounts, including the Department of Energy with $72.7M and the Department of State with $60.1M.
| Item | Obligations |
|---|---|
| Department of Defense | $497M |
| Department of Health and Human Services | $487M |
| Agency for International Development | $447M |
| Department of Energy | $72.7M |
| Department of State | $60.1M |
| General Services Administration | $59.8M |
| Department of the Interior | $56.6M |
| Department of Commerce | $39.9M |
| Department of Veterans Affairs | $32.9M |
| National Aeronautics and Space Administration | $24.2M |
Department of Defense was the top buyer, obligating $497M (26.3% of all obligations).
Who are the largest NAICS 541690 government contractors?
DOMESTIC AWARDEES (UNDISCLOSED) received $447M in FY2026 to date. KELLY SERVICES, INC. received $104M and GENERAL DYNAMICS ONE SOURCE LLC received $96.3M. SYSTEM HIGH CORPORATION, GAP SOLUTIONS, INC., and others follow with single-digit tens of millions each, including LOCKHEED MARTIN CORPORATION at $35.8M.
| Item | Obligations |
|---|---|
| DOMESTIC AWARDEES (UNDISCLOSED) | $447M |
| KELLY SERVICES, INC. | $104M |
| GENERAL DYNAMICS ONE SOURCE LLC | $96.3M |
| SYSTEM HIGH CORPORATION | $59.5M |
| GAP SOLUTIONS, INC. | $46.4M |
| UNWIN CO | $42.5M |
| PUNDIR GROUP, INC | $42.3M |
| PARSONS GOVERNMENT SERVICES INC. | $41.9M |
| AXLE INFORMATICS, LLC | $37.8M |
| LOCKHEED MARTIN CORPORATION | $35.8M |
DOMESTIC AWARDEES (UNDISCLOSED) led all vendors with $447M in obligations, 23.6% of the market.
| Rank | Vendor | Obligations |
|---|---|---|
| 1 | DOMESTIC AWARDEES (UNDISCLOSED) | $447M |
| 2 | KELLY SERVICES, INC. | $104M |
| 3 | GENERAL DYNAMICS ONE SOURCE LLC | $96.3M |
| 4 | SYSTEM HIGH CORPORATION | $59.5M |
| 5 | GAP SOLUTIONS, INC. | $46.4M |
| 6 | UNWIN CO | $42.5M |
| 7 | PUNDIR GROUP, INC | $42.3M |
| 8 | PARSONS GOVERNMENT SERVICES INC. | $41.9M |
| 9 | AXLE INFORMATICS, LLC | $37.8M |
| 10 | LOCKHEED MARTIN CORPORATION | $35.8M |
| Rank | Recipient | Award Amount | Awarding Agency |
|---|---|---|---|
| 1 | DOMESTIC AWARDEES (UNDISCLOSED) | $897M | 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. | $128M | Department of State |
| 7 | AMERESCO SELECT, INC. | $113M | Department of Defense |
| 8 | AMERESCO SELECT, INC. | $101M | Department of Defense |
| 9 | SYSTEM HIGH CORPORATION | $87.8M | Department of Defense |
| 10 | PAE GOVERNMENT SERVICES, INC. | $83.9M | Department of State |
| 11 | PARSONS GOVERNMENT SERVICES INC. | $76.7M | Department of Defense |
| 12 | LOCKHEED MARTIN CORP | $74.1M | Department of Defense |
| 13 | DOMESTIC AWARDEES (UNDISCLOSED) | $70.4M | Agency for International Development |
| 14 | PARSONS GOVERNMENT SERVICES INC. | $65.9M | Department of Defense |
| 15 | GLOBAL ENGINEERING & TECHNOLOGY INC | $65.2M | Department of Energy |
| 16 | DEPENDABLE GLOBAL SOLUTIONS, LLC | $60.3M | Department of Energy |
| 17 | ESSEX MANAGEMENT LLC | $58.6M | Department of the Interior |
| 18 | BELL TEXTRON INC | $56.9M | Department of Defense |
| 19 | IDS INTERNATIONAL, LLC | $54.2M | Department of State |
| 20 | PARSONS GOVERNMENT SERVICES INC. | $53.6M | Department of Defense |
| 21 | AMERESCO SELECT, INC. | $48.1M | National Aeronautics and Space Administration |
| 22 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $45.4M | Department of Homeland Security |
| 23 | VANTOR SERVICES INC. | $45.2M | Department of Defense |
| 24 | PARSONS GOVERNMENT SERVICES INC. | $43.8M | Department of Defense |
| 25 | GENERAL DYNAMICS ONE SOURCE LLC | $43.2M | 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. | $128M | Department of State | 2027-03-29 |
| 3 | FA448410F0001 | AMERESCO SELECT, INC. | $101M | Department of Defense | 2027-05-31 |
| 4 | HQ085822C0007 | SYSTEM HIGH CORPORATION | $87.8M | Department of Defense | 2027-08-25 |
| 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 | 72029422C00003 | CHEMONICS INTERNATIONAL, INC. | $53M | Agency for International Development | 2027-09-28 |
| 8 | 70T01021F7670N010 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $45.4M | Department of Homeland Security | 2026-10-19 |
| 9 | 70T01021F6100N001 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $42.9M | Department of Homeland Security | 2026-10-17 |
| 10 | 72011721C00001 | CHEMONICS INTERNATIONAL, INC. | $42.3M | Agency for International Development | 2027-03-22 |
| 11 | HDTRA122C0026 | AKIMA DATA MANAGEMENT LLC | $40.2M | Department of Defense | 2027-02-28 |
| 12 | HQ085821C0013 | MOBIUS CONSULTING, LLC | $40.1M | Department of Defense | 2027-07-15 |
| 13 | 89303026CEA000006 | UNWIN CO | $37.4M | Department of Energy | 2027-02-28 |
| 14 | 75Q80123F32002 | NATIONAL OPINION RESEARCH CENTER | $33.7M | Department of Health and Human Services | 2027-02-20 |
| 15 | HT001122C0016 | KENNELL & ASSOCIATES INC | $33.1M | Department of Defense | 2026-12-17 |
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Frequently asked questions
How much does the federal government spend on NAICS 541690?
The federal government obligated $1.9B for NAICS 541690 in FY2026 to date. The market recorded 3,670 awards and an average award size of $516K. Obligations fell 12.6% year over year and show FY totals of $1.9B in FY21, $2B in FY22, $2B in FY23, $2.3B in FY24, $2.2B in FY25, and $1.9B in FY26.
Which agencies buy the most NAICS 541690 services?
The Department of Defense is the largest buyer with $497M obligated in FY2026 to date. The Department of Health and Human Services obligated $487M and the Agency for International Development obligated $447M. Other notable buyers include the Department of Energy at $72.7M and the Department of State at $60.1M.
Who are the largest NAICS 541690 government contractors?
DOMESTIC AWARDEES (UNDISCLOSED) are the largest contractors with $447M in obligations in FY2026 to date. KELLY SERVICES, INC. follows with $104M and GENERAL DYNAMICS ONE SOURCE LLC follows with $96.3M. Other named contractors include SYSTEM HIGH CORPORATION at $59.5M and LOCKHEED MARTIN CORPORATION at $35.8M.
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