Federal contract market · NAICS 541990
All Other Professional, Scientific, and Technical Services (NAICS 541990): Federal Contract Market
Data through 2026-08-19 · FY2026 to date
- Obligations, FY2026 to date
- $8.3B
- Contract awards
- 6,656
- Average award size
- $1.3M
- vs. prior full fiscal year
- 30.0% decline
| Item | Obligations |
|---|---|
| FY21 | $10.8B |
| FY22 | $11.7B |
| FY23 | $14.4B |
| FY24 | $14.2B |
| FY25 | $11.9B |
| FY26 | $8.3B |
Obligations fell 30.0% year over year, from $11.9B in FY2025 to $8.3B in FY2026 to date.
All Other Professional, Scientific, and Technical Services (NAICS 541990) has recorded $8.3B in federal contract obligations for FY2026 to date. Award activity shows 6,656 awards with an average award size of $1.3M. Obligations fell 30.0% year over year. Fiscal-year history shows a peak at $14.4B in FY23, followed by $14.2B in FY24 and $11.9B in FY25 before the current-year total of $8.3B. Federal buying is concentrated among a few large agencies. The Department of Defense obligated $2.9B and the Department of Energy obligated $2.1B in FY2026 to date. A mix of defense, energy, and civilian buyers account for the bulk of obligations, with the General Services Administration at $1.2B and the Department of Health and Human Services at $861M. Vendors with the largest cumulative obligations in FY2026 to date include BATTELLE ENERGY ALLIANCE, LLC at $2B and several large government contractors with obligations in the hundreds of millions. These figures reflect partial fiscal-year totals and are contract obligations only.
How has spending changed recently?
Obligations fell 30.0% year over year. Fiscal-year obligations moved from $14.4B in FY23 to $14.2B in FY24, $11.9B in FY25, and $8.3B in FY26 to date. That trend shows a decline in total annual obligations over the last three fiscal years.
| Item | Obligations |
|---|---|
| Department of Defense | $2.9B |
| Department of Energy | $2.1B |
| General Services Administration | $1.2B |
| Department of Health and Human Services | $861M |
| Department of Transportation | $452M |
| Agency for International Development | $255M |
| Department of Commerce | $138M |
| Department of Veterans Affairs | $75.6M |
| Department of Homeland Security | $60.6M |
| Department of Justice | $58.9M |
Department of Defense was the top buyer, obligating $2.9B (34.7% of all obligations).
Who are the biggest buyers and vendors in FY2026 to date?
The Department of Defense is the largest buyer at $2.9B, followed by the Department of Energy at $2.1B and the General Services Administration at $1.2B. Top vendors are BATTELLE ENERGY ALLIANCE, LLC at $2B, HII MISSION TECHNOLOGIES CORP at $533M, and BOOZ ALLEN HAMILTON INC at $532M.
| Item | Obligations |
|---|---|
| BATTELLE ENERGY ALLIANCE, LLC | $2B |
| HII MISSION TECHNOLOGIES CORP | $533M |
| BOOZ ALLEN HAMILTON INC | $532M |
| SIERRA NEVADA COMPANY, LLC | $311M |
| PTSI MANAGED SERVICES INC | $310M |
| THE MITRE CORPORATION | $299M |
| CACI, INC. - FEDERAL | $185M |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | $163M |
| BLUESTAQ LLC | $148M |
| INSTITUTE FOR DEFENSE ANALYSES | $144M |
BATTELLE ENERGY ALLIANCE, LLC led all vendors with $2B in obligations, 23.7% of the market.
| Rank | Vendor | Obligations |
|---|---|---|
| 1 | BATTELLE ENERGY ALLIANCE, LLC | $2B |
| 2 | HII MISSION TECHNOLOGIES CORP | $533M |
| 3 | BOOZ ALLEN HAMILTON INC | $532M |
| 4 | SIERRA NEVADA COMPANY, LLC | $311M |
| 5 | PTSI MANAGED SERVICES INC | $310M |
| 6 | THE MITRE CORPORATION | $299M |
| 7 | CACI, INC. - FEDERAL | $185M |
| 8 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $163M |
| 9 | BLUESTAQ LLC | $148M |
| 10 | INSTITUTE FOR DEFENSE ANALYSES | $144M |
| Rank | Recipient | Award Amount | Awarding Agency |
|---|---|---|---|
| 1 | BATTELLE ENERGY ALLIANCE, LLC | $26.3B | Department of Energy |
| 2 | OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED | $3.1B | Department of Energy |
| 3 | HII MISSION TECHNOLOGIES CORP | $693M | General Services Administration |
| 4 | PTSI MANAGED SERVICES INC | $684M | Department of Transportation |
| 5 | BOOZ ALLEN HAMILTON INC | $665M | General Services Administration |
| 6 | HII MISSION TECHNOLOGIES CORP | $592M | General Services Administration |
| 7 | BLUESTAQ LLC | $534M | General Services Administration |
| 8 | THE MITRE CORPORATION | $520M | Department of Defense |
| 9 | THE MITRE CORPORATION | $489M | Department of Defense |
| 10 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $447M | Department of Defense |
| 11 | THE MITRE CORPORATION | $443M | Department of Defense |
| 12 | SIERRA NEVADA COMPANY, LLC | $442M | Department of Defense |
| 13 | THE MITRE CORPORATION | $414M | Department of Defense |
| 14 | NORIDIAN HEALTHCARE SOLUTIONS, LLC | $407M | Department of Health and Human Services |
| 15 | THE MITRE CORPORATION | $378M | Department of Defense |
| 16 | DAI GLOBAL LLC | $361M | Agency for International Development |
| 17 | THE MITRE CORPORATION | $349M | Department of Defense |
| 18 | THE MITRE CORPORATION | $324M | Department of Defense |
| 19 | THE MITRE CORPORATION | $322M | Department of Defense |
| 20 | COVENTBRIDGE (USA) LLC | $320M | Department of Health and Human Services |
| 21 | THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $308M | Department of Defense |
| 22 | ABT GLOBAL LLC | $296M | Agency for International Development |
| 23 | THE MITRE CORPORATION | $293M | Department of Defense |
| 24 | SIERRA NEVADA COMPANY, LLC | $277M | Department of Defense |
| 25 | SAFEGUARD SERVICES LLC | $275M | Department of Health and Human Services |
| Rank | Contract | Incumbent | Award Value | Awarding Agency | Ends |
|---|---|---|---|---|---|
| 1 | 47QFCA23F0016 | HII MISSION TECHNOLOGIES CORP | $592M | General Services Administration | 2027-02-28 |
| 2 | 47QFCA19C0016 | BLUESTAQ LLC | $534M | General Services Administration | 2027-07-31 |
| 3 | N0001924C0005 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $447M | Department of Defense | 2027-05-16 |
| 4 | 75FCMC18F0001 | NORIDIAN HEALTHCARE SOLUTIONS, LLC | $407M | Department of Health and Human Services | 2027-05-09 |
| 5 | FA870225CB001 | THE MITRE CORPORATION | $378M | Department of Defense | 2026-09-30 |
| 6 | 72012118C00004 | DOMESTIC AWARDEES (UNDISCLOSED) | $320M | Agency for International Development | 2026-08-26 |
| 7 | HHSM500T0001 | COVENTBRIDGE (USA) LLC | $320M | Department of Health and Human Services | 2027-07-18 |
| 8 | HQ003422F0001 | THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $308M | Department of Defense | 2027-04-07 |
| 9 | FA862025FB029 | SIERRA NEVADA COMPANY, LLC | $277M | Department of Defense | 2026-10-31 |
| 10 | HHSM500T0002 | SAFEGUARD SERVICES LLC | $275M | Department of Health and Human Services | 2027-02-17 |
| 11 | HQ003424F0002 | INSTITUTE FOR DEFENSE ANALYSES | $220M | Department of Defense | 2027-04-23 |
| 12 | HHSM500T0001 | SAFEGUARD SERVICES LLC | $219M | Department of Health and Human Services | 2026-10-31 |
| 13 | H9240221C0005 | CACI, INC. - FEDERAL | $213M | Department of Defense | 2027-07-17 |
| 14 | HHSM500T0001 | QLARANT INTEGRITY SOLUTIONS LLC | $211M | Department of Health and Human Services | 2026-12-31 |
| 15 | W31P4Q24C0005 | RAYTHEON SOUTHEAST ASIA SYSTEMS COMPANY | $200M | Department of Defense | 2026-12-31 |
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Frequently asked questions
How much does the federal government spend on NAICS 541990?
The federal government obligated $8.3B on NAICS 541990 in FY2026 to date. Award activity for the period includes 6,656 awards with an average award size of $1.3M, and obligations are down 30.0% year over year.
Which agencies buy the most NAICS 541990 services?
The Department of Defense buys the most NAICS 541990 services at $2.9B, followed by the Department of Energy at $2.1B and the General Services Administration at $1.2B. Other significant buyers include the Department of Health and Human Services at $861M and the Department of Transportation at $452M.
Who are the largest NAICS 541990 government contractors?
BATTELLE ENERGY ALLIANCE, LLC is the largest contractor in FY2026 to date at $2B. Other leading contractors include HII MISSION TECHNOLOGIES CORP at $533M, BOOZ ALLEN HAMILTON INC at $532M, and SIERRA NEVADA COMPANY, LLC at $311M.
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