Federal contract market · NAICS 541990
All Other Professional, Scientific, and Technical Services (NAICS 541990): Federal Contract Market
Data through 2026-09-28 · FY2026 to date
- Obligations, FY2026 to date
- $10.4B
- Contract awards
- 7,982
- Average award size
- $1.3M
- vs. prior full fiscal year
- 12.8% decline
| Item | Obligations |
|---|---|
| FY21 | $10.8B |
| FY22 | $11.7B |
| FY23 | $14.4B |
| FY24 | $14.2B |
| FY25 | $11.9B |
| FY26 | $10.4B |
Obligations fell 12.8% year over year, from $11.9B in FY2025 to $10.4B in FY2026 to date.
All Other Professional, Scientific, and Technical Services (NAICS 541990) has recorded $10.4B in federal contract obligations in FY2026 to date. The market produced 7,982 awards with an average award size of $1.3M. Obligations fell 12.8% year over year. Fiscal-year totals show a peak at $14.4B in FY23, followed by $14.2B in FY24, $11.9B in FY25, and $10.4B in FY26. The Department of Defense is the largest buyer with $3.7B, followed by the Department of Energy with $2.4B and the General Services Administration with $1.5B. BATTELLE ENERGY ALLIANCE, LLC is the largest vendor with $2.1B in obligations, followed by BOOZ ALLEN HAMILTON INC at $685M and HII MISSION TECHNOLOGIES CORP at $611M. The mix of large agency buyers and a few dominant vendors suggests concentrated demand in national security and energy-related work. Contracting officers and bidders should note the smaller median buyer commitments below the top agencies when targeting opportunities.
Why did obligations fall year over year?
Obligations fell 12.8% year over year. Fiscal-year totals moved from $11.9B in FY25 to $10.4B in FY26. The Department of Defense remained the largest buyer at $3.7B, but the overall market declined compared with the FY23 and FY24 peaks. Agencies outside the top three contributed smaller amounts that collectively reflect the drop.
| Item | Obligations |
|---|---|
| Department of Defense | $3.7B |
| Department of Energy | $2.4B |
| General Services Administration | $1.5B |
| Department of Health and Human Services | $1.2B |
| Department of Transportation | $551M |
| Agency for International Development | $273M |
| Department of Commerce | $225M |
| Department of Veterans Affairs | $102M |
| Department of Homeland Security | $92M |
| Department of State | $79.8M |
Department of Defense was the top buyer, obligating $3.7B (35.4% of all obligations).
Where is spending concentrated within NAICS 541990?
The Department of Defense is the largest buyer, obligating $3.7B. The Department of Energy obligating $2.4B and the General Services Administration obligating $1.5B round out the top three. BATTELLE ENERGY ALLIANCE, LLC leads vendors with $2.1B, while the top ten vendors include several firms with obligations in the hundreds of millions.
| Item | Obligations |
|---|---|
| BATTELLE ENERGY ALLIANCE, LLC | $2.1B |
| BOOZ ALLEN HAMILTON INC | $685M |
| HII MISSION TECHNOLOGIES CORP | $611M |
| SIERRA NEVADA COMPANY, LLC | $482M |
| THE MITRE CORPORATION | $431M |
| PTSI MANAGED SERVICES INC | $354M |
| INSTITUTE FOR DEFENSE ANALYSES | $205M |
| CACI, INC. - FEDERAL | $192M |
| OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED | $192M |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | $165M |
BATTELLE ENERGY ALLIANCE, LLC led all vendors with $2.1B in obligations, 20.5% of the market.
| Rank | Vendor | Obligations |
|---|---|---|
| 1 | BATTELLE ENERGY ALLIANCE, LLC | $2.1B |
| 2 | BOOZ ALLEN HAMILTON INC | $685M |
| 3 | HII MISSION TECHNOLOGIES CORP | $611M |
| 4 | SIERRA NEVADA COMPANY, LLC | $482M |
| 5 | THE MITRE CORPORATION | $431M |
| 6 | PTSI MANAGED SERVICES INC | $354M |
| 7 | INSTITUTE FOR DEFENSE ANALYSES | $205M |
| 8 | CACI, INC. - FEDERAL | $192M |
| 9 | OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED | $192M |
| 10 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $165M |
| Rank | Recipient | Award Amount | Awarding Agency |
|---|---|---|---|
| 1 | BATTELLE ENERGY ALLIANCE, LLC | $26.4B | Department of Energy |
| 2 | OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED | $3.2B | Department of Energy |
| 3 | BOOZ ALLEN HAMILTON INC | $774M | General Services Administration |
| 4 | HII MISSION TECHNOLOGIES CORP | $768M | General Services Administration |
| 5 | PTSI MANAGED SERVICES INC | $726M | Department of Transportation |
| 6 | MASSACHUSETTS INSTITUTE OF TECHNOLOGY | $634M | Department of Defense |
| 7 | HII MISSION TECHNOLOGIES CORP | $593M | General Services Administration |
| 8 | BLUESTAQ LLC | $547M | General Services Administration |
| 9 | THE MITRE CORPORATION | $520M | Department of Defense |
| 10 | THE MITRE CORPORATION | $510M | Department of Defense |
| 11 | THE MITRE CORPORATION | $489M | Department of Defense |
| 12 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $449M | Department of Defense |
| 13 | THE MITRE CORPORATION | $443M | Department of Defense |
| 14 | SIERRA NEVADA COMPANY, LLC | $442M | Department of Defense |
| 15 | THE MITRE CORPORATION | $414M | Department of Defense |
| 16 | NORIDIAN HEALTHCARE SOLUTIONS, LLC | $407M | Department of Health and Human Services |
| 17 | THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $398M | Department of Defense |
| 18 | DAI GLOBAL LLC | $358M | Agency for International Development |
| 19 | THE MITRE CORPORATION | $349M | Department of Defense |
| 20 | THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $325M | Department of Defense |
| 21 | THE MITRE CORPORATION | $324M | Department of Defense |
| 22 | THE MITRE CORPORATION | $322M | Department of Defense |
| 23 | COVENTBRIDGE (USA) LLC | $320M | Department of Health and Human Services |
| 24 | THE MITRE CORPORATION | $303M | Department of Defense |
| 25 | SIERRA NEVADA COMPANY, LLC | $300M | Department of Defense |
| Rank | Contract | Incumbent | Award Value | Awarding Agency | Ends |
|---|---|---|---|---|---|
| 1 | 47QFCA24F0037 | BOOZ ALLEN HAMILTON INC | $774M | General Services Administration | 2027-09-09 |
| 2 | 47QFCA24F0043 | HII MISSION TECHNOLOGIES CORP | $768M | General Services Administration | 2027-09-15 |
| 3 | 47QFCA23F0016 | HII MISSION TECHNOLOGIES CORP | $593M | General Services Administration | 2027-02-28 |
| 4 | 47QFCA19C0016 | BLUESTAQ LLC | $547M | General Services Administration | 2027-07-31 |
| 5 | FA870225CB001 | THE MITRE CORPORATION | $510M | Department of Defense | 2026-09-30 |
| 6 | N0001924C0005 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $449M | Department of Defense | 2027-05-16 |
| 7 | 75FCMC18F0001 | NORIDIAN HEALTHCARE SOLUTIONS, LLC | $407M | Department of Health and Human Services | 2027-05-09 |
| 8 | HQ003422F0001 | THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $325M | Department of Defense | 2027-06-29 |
| 9 | HHSM500T0001 | COVENTBRIDGE (USA) LLC | $320M | Department of Health and Human Services | 2027-07-18 |
| 10 | FA862025FB029 | SIERRA NEVADA COMPANY, LLC | $300M | Department of Defense | 2026-10-31 |
| 11 | HHSM500T0002 | SAFEGUARD SERVICES LLC | $275M | Department of Health and Human Services | 2027-02-17 |
| 12 | HQ003424F0002 | INSTITUTE FOR DEFENSE ANALYSES | $220M | Department of Defense | 2027-04-23 |
| 13 | HHSM500T0001 | SAFEGUARD SERVICES LLC | $219M | Department of Health and Human Services | 2026-10-31 |
| 14 | HHSM500T0001 | QLARANT INTEGRITY SOLUTIONS LLC | $214M | Department of Health and Human Services | 2026-12-31 |
| 15 | H9240221C0005 | CACI, INC. - FEDERAL | $213M | Department of Defense | 2027-07-17 |
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Frequently asked questions
How much does the federal government spend on NAICS 541990?
The federal government obligated $10.4B for NAICS 541990 in FY2026 to date. The market delivered 7,982 awards at an average award size of $1.3M, and obligations fell 12.8% year over year.
Which agencies buy the most NAICS 541990 services?
The Department of Defense buys the most NAICS 541990 services, obligating $3.7B. The Department of Energy obligating $2.4B and the General Services Administration obligating $1.5B are the next-largest buyers, followed by the Department of Health and Human Services at $1.2B and the Department of Transportation at $551M.
Who are the largest NAICS 541990 government contractors?
BATTELLE ENERGY ALLIANCE, LLC is the largest NAICS 541990 government contractor with $2.1B in obligations. BOOZ ALLEN HAMILTON INC received $685M and HII MISSION TECHNOLOGIES CORP received $611M, with several other top vendors receiving obligations in the hundreds of millions.
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