Federal contract market · NAICS 541690
Other Scientific and Technical Consulting Services (NAICS 541690): Federal Contract Market
Data through 2026-08-19 · FY2026 to date
- Obligations, FY2026 to date
- $1.3B
- Contract awards
- 2,628
- Average award size
- $498K
- vs. prior full fiscal year
- 39.6% decline
| Item | Obligations |
|---|---|
| FY21 | $1.9B |
| FY22 | $2B |
| FY23 | $2B |
| FY24 | $2.3B |
| FY25 | $2.2B |
| FY26 | $1.3B |
Obligations fell 39.6% year over year, from $2.2B in FY2025 to $1.3B in FY2026 to date.
Other Scientific and Technical Consulting Services (NAICS 541690) recorded $1.3B in federal contract obligations in FY2026 to date. The market delivered 2,628 awards with an average award size of $498K, and obligations fell 39.6% year over year. The Department of Defense led buying with $422M, followed by the Department of Health and Human Services with $300M and the Agency for International Development with $276M. The largest reported vendor receipts went to DOMESTIC AWARDEES (UNDISCLOSED) with $275M, GENERAL DYNAMICS ONE SOURCE LLC with $88M, and KELLY SERVICES, INC. with $68.4M. FY21 through FY26 show a peak in FY24 at $2.3B and a partial-year decline to $1.3B in FY26. All figures are contract obligations, and current-year totals are partial (fiscal year to date). This snapshot highlights concentrated buying among a few agencies and vendors, smaller average awards relative to total spend, and a notable year-over-year contraction in obligations for the partial FY2026 reporting period.
How has NAICS 541690 spending changed year over year?
Obligations fell 39.6% year over year. Fiscal obligations rose from $1.9B in FY21 to $2.3B in FY24 before declining to $2.2B in FY25 and to $1.3B in FY26. FY26 totals are partial because the period is fiscal year to date.
| Item | Obligations |
|---|---|
| Department of Defense | $422M |
| Department of Health and Human Services | $300M |
| Agency for International Development | $276M |
| Department of Energy | $69M |
| Department of State | $45M |
| General Services Administration | $41.3M |
| Department of the Interior | $34.6M |
| Department of Veterans Affairs | $31.3M |
| National Aeronautics and Space Administration | $19.6M |
| Federal Trade Commission | $15.8M |
Department of Defense was the top buyer, obligating $422M (32.3% of all obligations).
Who are the biggest buyers and vendors in FY2026 to date?
The Department of Defense is the largest buyer with $422M, followed by the Department of Health and Human Services with $300M and the Agency for International Development with $276M. DOMESTIC AWARDEES (UNDISCLOSED) received $275M, GENERAL DYNAMICS ONE SOURCE LLC received $88M, and KELLY SERVICES, INC. received $68.4M in obligations.
| Item | Obligations |
|---|---|
| DOMESTIC AWARDEES (UNDISCLOSED) | $275M |
| GENERAL DYNAMICS ONE SOURCE LLC | $88M |
| KELLY SERVICES, INC. | $68.4M |
| SYSTEM HIGH CORPORATION | $54M |
| UNWIN CO | $42.6M |
| PARSONS GOVERNMENT SERVICES INC. | $39.3M |
| PUNDIR GROUP, INC | $38.8M |
| LOCKHEED MARTIN CORPORATION | $35.8M |
| MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | $30.7M |
| AXLE INFORMATICS, LLC | $24.1M |
DOMESTIC AWARDEES (UNDISCLOSED) led all vendors with $275M in obligations, 21.0% of the market.
| Rank | Vendor | Obligations |
|---|---|---|
| 1 | DOMESTIC AWARDEES (UNDISCLOSED) | $275M |
| 2 | GENERAL DYNAMICS ONE SOURCE LLC | $88M |
| 3 | KELLY SERVICES, INC. | $68.4M |
| 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 | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | $30.7M |
| 10 | AXLE INFORMATICS, LLC | $24.1M |
| 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 $1.3B for NAICS 541690 in FY2026 to date. The market recorded 2,628 awards with an average award size of $498K, and obligations are down 39.6% year over year. FY26 totals are partial because the period is fiscal year to date.
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. The Department of Defense obligated $422M, the Department of Health and Human Services obligated $300M, and the Agency for International Development obligated $276M 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 in FY2026 to date. DOMESTIC AWARDEES (UNDISCLOSED) received $275M, GENERAL DYNAMICS ONE SOURCE LLC received $88M, and KELLY SERVICES, INC. received $68.4M in obligations.
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