Data / Federal awards / NAICS 541990 / Department of Defense
Department of Defense contracts under NAICS 541990 All Other Professional, Scientific, and Technical Services: $14.4 billion to 1,165 recipients (FY2024 to FY2027)
Updated October 6, 2026. Source: USAspending.gov.
Department of Defense obligated $14.4 billion under NAICS 541990, All Other Professional, Scientific, and Technical Services, across 5,669 contract awards to 1,165 named recipients in fiscal years 2024 to 2027. The largest recipients are SIERRA NEVADA COMPANY, LLC ($1.6 billion), THE MITRE CORPORATION ($1.4 billion), INSTITUTE FOR DEFENSE ANALYSES ($688.9 million). 34 opportunities under this code are open on SAM.gov now.
The request: Every federal contract awarded by Department of Defense under NAICS 541990, with the winner, the value and the period of performance. $10 of work on sign-up, no card.
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- Agency
- Department of Defense
- NAICS code
- 541990 All Other Professional, Scientific, and Technical Services
- Contract awards
- 5,669
- Obligated
- $14.4 billion
- Named recipients
- 1,165
- Small business share of obligations
- 20%
- Full and open competition share
- 36%
- Set aside share
- 6%
- Latest action
- 2026-07-06
Open opportunities in this niche
The same code on SAM.gov, read each morning: 34 opportunities you can still respond to.
Incumbents at this agency
Ranked by dollars obligated in fiscal years 2024 to 2027.
| Recipient | Business size | Awards | Obligated | Share |
|---|---|---|---|---|
| SIERRA NEVADA COMPANY, LLC | Other Than Small Business | 83 | $1.64 billion | 11.4% |
| THE MITRE CORPORATION | Other Than Small Business | 14 | $1.45 billion | 10.0% |
| INSTITUTE FOR DEFENSE ANALYSES | Other Than Small Business | 17 | $688.9 million | 4.8% |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | Other Than Small Business | 6 | $494.7 million | 3.4% |
| LOCKHEED MARTIN CORPORATION | Other Than Small Business | 14 | $492.3 million | 3.4% |
| THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | Other Than Small Business | 86 | $484 million | 3.4% |
| BOOZ ALLEN HAMILTON INC | Other Than Small Business | 86 | $483.6 million | 3.4% |
| THE CNA CORPORATION | Other Than Small Business | 444 | $284.7 million | 2.0% |
| THE RAND CORPORATION | Other Than Small Business | 26 | $259.3 million | 1.8% |
| SIERRA NEVADA COMPANY, LLC | Other Than Small Business | 113 | $257.9 million | 1.8% |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | Other Than Small Business | 25 | $233 million | 1.6% |
| ACCENTURE FEDERAL SERVICES LLC | Other Than Small Business | 11 | $203.9 million | 1.4% |
| RAYTHEON SOUTHEAST ASIA SYSTEMS COMPANY | Other Than Small Business | 1 | $199.8 million | 1.4% |
| CONNECTED ALLIANCES LLC | Small Business | 98 | $186.6 million | 1.3% |
| DELOITTE CONSULTING LLP | Other Than Small Business | 26 | $182.4 million | 1.3% |
| VALIANT GLOBAL DEFENSE SERVICES INC. | Other Than Small Business | 28 | $163.7 million | 1.1% |
| STRATEGIC ANALYSIS, INC. | Other Than Small Business | 9 | $163.5 million | 1.1% |
| SYSTEMS PLANNING AND ANALYSIS, INC. | Other Than Small Business | 20 | $162.9 million | 1.1% |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | Other Than Small Business | 10 | $154.2 million | 1.1% |
| POPLICUS INCORPORATED | Small Business | 50 | $154 million | 1.1% |
| OPTUMHEALTH CARE SOLUTIONS, LLC | Other Than Small Business | 4 | $152 million | 1.1% |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | Other Than Small Business | 1 | $147.8 million | 1.0% |
| AEVEX AEROSPACE, LLC | Other Than Small Business | 17 | $134.8 million | 0.9% |
| CACI, INC. - FEDERAL | Other Than Small Business | 14 | $126 million | 0.9% |
| RAYTHEON COMPANY | Other Than Small Business | 5 | $124.2 million | 0.9% |
| SCHAFER GOVERNMENT SERVICES, LLC | Other Than Small Business | 24 | $119.7 million | 0.8% |
| LEIDOS, INC. | Other Than Small Business | 155 | $115.4 million | 0.8% |
| ECS FEDERAL, LLC | Other Than Small Business | 10 | $115.4 million | 0.8% |
| V2X AEROSPACE LLC | Other Than Small Business | 76 | $108.3 million | 0.8% |
| CELEEN LLC | Small Business | 26 | $100.7 million | 0.7% |
| RIVERSIDE RESEARCH INSTITUTE | Other Than Small Business | 16 | $97.2 million | 0.7% |
| ANALYTIC SERVICES INC. | Other Than Small Business | 11 | $92.2 million | 0.6% |
| HII MISSION TECHNOLOGIES CORP | Other Than Small Business | 15 | $88 million | 0.6% |
| CALIBRE SYSTEMS INC | Other Than Small Business | 27 | $79 million | 0.5% |
| LINQUEST CORPORATION | Other Than Small Business | 9 | $78.6 million | 0.5% |
| PEOPLE, TECHNOLOGY AND PROCESSES, LLC | Small Business | 51 | $75 million | 0.5% |
| GZO, INC. | Small Business | 43 | $74 million | 0.5% |
| NIGHTWING TECHNOLOGIES, LLC | Other Than Small Business | 8 | $68.7 million | 0.5% |
| THE BOEING COMPANY | Other Than Small Business | 16 | $67.7 million | 0.5% |
| EAGLE INTEGRATED SERVICES, LLC | Small Business | 70 | $63.2 million | 0.4% |
| APPLIED RESEARCH ASSOCIATES, INC. | Other Than Small Business | 5 | $62.3 million | 0.4% |
| SRC INC | Other Than Small Business | 5 | $61.8 million | 0.4% |
| AMENTUM SERVICES, INC. | Other Than Small Business | 17 | $61.4 million | 0.4% |
| ACTIONABLE SOLUTIONS GROUP, LLC | Small Business | 1 | $60.2 million | 0.4% |
| CALVERT SYSTEMS ENGINEERING, INC | Small Business | 7 | $58.5 million | 0.4% |
| RAYTHEON COMPANY | Other Than Small Business | 2 | $58.2 million | 0.4% |
| RAYTHEON COMPANY | Other Than Small Business | 29 | $57.6 million | 0.4% |
| URS FEDERAL SERVICES INTERNATIONAL, INC | Other Than Small Business | 23 | $57.4 million | 0.4% |
| SYSTEM HIGH CORPORATION | Other Than Small Business | 7 | $56.4 million | 0.4% |
| THREAT TEC - YORKTOWN JV, LLC | Small Business | 1 | $54.2 million | 0.4% |
Offices buying
| Sub agency | Awards | Obligated |
|---|---|---|
| Department of the Air Force | 1,359 | $6.09 billion |
| Department of the Army | 1,434 | $2.25 billion |
| Washington Headquarters Services | 217 | $2.11 billion |
| Department of the Navy | 1,457 | $1.61 billion |
| U.S. Special Operations Command | 409 | $816.3 million |
| Defense Advanced Research Projects Agency | 55 | $653.2 million |
| Defense Threat Reduction Agency | 152 | $431.7 million |
| Defense Health Agency | 280 | $363.8 million |
| Defense Counterintelligence and Security Agency | 5 | $56.6 million |
| Immediate Office of the Secretary of Defense | 2 | $40.7 million |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $5.22 billion |
| FY2025 | $5.18 billion |
| FY2026 | $4.04 billion |
Products and services bought
| Code | Product or service | Awards | Obligated |
|---|---|---|---|
| R499 | Support- Professional: Other | 1,654 | $3.24 billion |
| R425 | Support- Professional: Engineering/technical | 496 | $2.83 billion |
| R706 | Support- Management: Logistics Support | 203 | $1.12 billion |
| B541 | Special Studies/analysis- Defense | 499 | $1.09 billion |
| J014 | Maint/repair/rebuild of Equipment- Guided Missiles | 14 | $628.2 million |
| AC12 | National Defense R&d Services; Department of Defense - Military; Applied Research | 18 | $509.9 million |
| R408 | Support- Professional: Program Management/support | 305 | $494.8 million |
| J015 | Maint/repair/rebuild of Equipment- Aircraft and Airframe Structural Components | 8 | $494.5 million |
Largest contract awards
| Award ID | Recipient | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FA870224C0001 | THE MITRE CORPORATION | Department of Defense | Definitive Contract | 541990 | MITRE NATIONAL SECURITY ENGINEERING CENTER (NSEC) SERVICES FOR THE AIR FORCE | $518,992,055 | $544,484,011 | October 1, 2024 | September 30, 2025 | Bedford, MA | usaspending.gov |
| FA870225CB001 | THE MITRE CORPORATION | Department of Defense | Definitive Contract | 541990 | MITRE NATIONAL SECURITY ENGINEERING CENTER (NSEC) SERVICES FOR THE AIR FORCE | $509,950,169 | $7,643,183,276 | October 1, 2025 | September 30, 2026 | Bedford, MA | usaspending.gov |
| N0001924C0005 | NORTHROP GRUMMAN SYSTEMS CORPORATION | Department of Defense | Definitive Contract | 541990 | TRITON SUSTAINING AND ENGINEERING | $448,990,470 | $580,630,558 | May 1, 2024 | May 16, 2027 | San Diego, CA | usaspending.gov |
| FA870223C0002 | THE MITRE CORPORATION | Department of Defense | Definitive Contract | 541990 | MITRE NATIONAL SECURITY ENGINEERING CENTER SERVICES FOR THE AIR FORCE | $433,861,539 | $498,715,393 | October 1, 2023 | September 30, 2028 | Bedford, MA | usaspending.gov |
| FA862025FB029 | SIERRA NEVADA COMPANY, LLC | Department of Defense | Delivery Order | 541990 | AFLCMC/WI | $300,154,316 | $300,641,614 | November 1, 2024 | October 31, 2026 | Centennial, CO | usaspending.gov |
| W31P4Q26F0114 | LOCKHEED MARTIN CORPORATION | Department of Defense | Delivery Order | 541990 | MISSILE SEGMENT ENHANCEMENT (MSE) CONTAINERIZED LAUNCHER (CL) AND REMOTE INTERCEPTOR GUIDANCE 360 DEGREES (RIG-360) CONTAINERIZED SYSTEM (CS | $234,100,000 | $258,100,000 | July 1, 2026 | May 31, 2028 | Grand Prairie, TX | usaspending.gov |
| HQ003422F0001 | THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | Department of Defense | Delivery Order | 541990 | JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY WILL SUPPORT THE OFFICE OF THE UNDER SECRETARY OF DEFENSE FOR RESEARCH AND ENGINEERING W | $229,175,867 | $542,500,000 | June 30, 2022 | June 29, 2027 | Laurel, MD | usaspending.gov |
| HQ003424F0002 | INSTITUTE FOR DEFENSE ANALYSES | Department of Defense | Delivery Order | 541990 | INSTITUTE FOR DEFENSE ANALYSIS, FEDERALLY FUNDED RESEARCH AND DEVELOPMENT CENTER IS TO PROVIDE RESEARCH AND ANALYSIS SUPPORT SERVICES | $219,722,247 | $219,834,247 | October 31, 2023 | April 23, 2027 | Washington, DC | usaspending.gov |
| HQ003424F0422 | INSTITUTE FOR DEFENSE ANALYSES | Department of Defense | Delivery Order | 541990 | FEDERALLY FUNDED RESEARCH AND DEVELOPMENT CENTER SUPPORT FOR RESEARCH AND ANALYSIS SUPPORT TO THE OFFICE OF THE SECRETARY OF DEFENSE, JOINT | $219,362,997 | $217,279,410 | August 23, 2024 | February 24, 2028 | Washington, DC | usaspending.gov |
| W31P4Q24C0005 | RAYTHEON SOUTHEAST ASIA SYSTEMS COMPANY | Department of Defense | Definitive Contract | 541990 | QATAR TANET AND DEPOT OPS | $199,847,855 | $199,847,855 | December 1, 2023 | December 31, 2026 | Tewksbury, MA | usaspending.gov |
| FA862024FB024 | SIERRA NEVADA COMPANY, LLC | Department of Defense | Delivery Order | 541990 | BIG SAFARI | $159,560,456 | $159,560,456 | September 26, 2024 | January 31, 2028 | Englewood, CO | usaspending.gov |
| FA862022F4000 | SIERRA NEVADA COMPANY, LLC | Department of Defense | Delivery Order | 541990 | BIG SAFARI | $154,546,916 | $435,818,465 | October 31, 2022 | October 31, 2024 | Englewood, CO | usaspending.gov |
| FA865023C9313 | NORTHROP GRUMMAN SYSTEMS CORPORATION | Department of Defense | Definitive Contract | 541990 | DEFENSE EXPERIMENTATION USING COMMERCIAL SPACE INTERNET CALL 003 MULTI-BAND, MULTI-ORBIT SATELLITE COMMUNICATIONS EXPERIMENTS | $147,764,422 | $180,286,321 | June 2, 2023 | February 25, 2027 | San Diego, CA | usaspending.gov |
| HQ003425F0021 | INSTITUTE FOR DEFENSE ANALYSES | Department of Defense | Delivery Order | 541990 | RESEARCH, DEVELOPMENT, AND STUDIES SUPPORT SERVICES. | $137,636,365 | $205,819,528 | November 22, 2024 | September 30, 2027 | Washington, DC | usaspending.gov |
| HQ003426FE005 | INSTITUTE FOR DEFENSE ANALYSES | Department of Defense | Delivery Order | 541990 | FEDERALLY FUNDED RESEARCH AND DEVELOPMENT CENTER SUPPORT FOR RESEARCH AND ANALYSIS SUPPORT TO THE OFFICE OF THE SECRETARY OF DEFENSE, JOINT | $124,901,672 | $184,024,593 | November 21, 2025 | June 23, 2029 | Washington, DC | usaspending.gov |
| H9240221C0005 | CACI, INC. - FEDERAL | Department of Defense | Definitive Contract | 541990 | GEOSPATIAL INTELLIGENCE SERVICES | $111,859,919 | $258,132,344 | April 19, 2021 | July 17, 2027 | Fayetteville, NC | usaspending.gov |
| FA862025FB039 | SIERRA NEVADA COMPANY, LLC | Department of Defense | Delivery Order | 541990 | BIG SAFARI | $111,644,400 | $111,805,500 | December 1, 2024 | February 28, 2026 | Englewood, CO | usaspending.gov |
| FA862023F4075 | SIERRA NEVADA COMPANY, LLC | Department of Defense | Delivery Order | 541990 | BIG SAFARI | $100,119,329 | $274,967,984 | July 4, 2023 | May 31, 2027 | Englewood, CO | usaspending.gov |
| FA862024F4030 | SIERRA NEVADA COMPANY, LLC | Department of Defense | Delivery Order | 541990 | BIG SAFARI | $92,323,692 | $92,323,692 | November 30, 2024 | November 30, 2024 | Englewood, CO | usaspending.gov |
| FA862023F4160 | AEVEX AEROSPACE, LLC | Department of Defense | Delivery Order | 541990 | BIG SAFARI | $86,176,505 | $199,896,532 | September 30, 2024 | September 27, 2025 | Solana Beach, CA | usaspending.gov |
| H9240024F0081 | CELEEN LLC | Department of Defense | Delivery Order | 541990 | T&M- UEWTEP III CORE | $79,325,086 | $89,030,532 | June 1, 2024 | May 31, 2027 | Tampa, FL | usaspending.gov |
| FA564125F0001 | HII MISSION TECHNOLOGIES CORP | Department of Defense | Delivery Order | 541990 | TECHNICAL AND ANALYTICAL SERVICES TO ASSIST IN THE PLANNING, INTEGRATION, AND EXECUTION OF C2, IAMD, ISR, INTERNATIONAL RELATIONS AND POLITI | $76,525,912 | $91,075,152 | November 25, 2024 | January 16, 2027 | Germany | usaspending.gov |
| HT001124C0011 | OPTUMHEALTH CARE SOLUTIONS, LLC | Department of Defense | Definitive Contract | 541990 | GLOBAL NURSE ADVICE LINE SUPPORT SERVICES | $76,143,100 | $76,143,100 | March 17, 2024 | September 17, 2025 | Eden Prairie, MN | usaspending.gov |
| HR001124F0330 | SCHAFER GOVERNMENT SERVICES, LLC | Department of Defense | Delivery Order | 541990 | DIRECTOR'S OFFICE SUPPORT SERVICES | $74,376,350 | $107,328,642 | May 8, 2024 | May 7, 2027 | Arlington, VA | usaspending.gov |
| N0018921CZ028 | RAYTHEON COMPANY | Department of Defense | Definitive Contract | 541990 | ROTHR OPERATIONS MAINTENANCE SERVICES | $72,347,751 | $152,029,509 | May 1, 2021 | April 30, 2026 | Chesapeake, VA | usaspending.gov |
Public U.S. federal spending data (U.S. Department of the Treasury). Obligations are the contract actions dated in fiscal years 2024 to 2027 of the USAspending.gov award archive of 2026-10-06; a contract's total value is its current value as USAspending reports it, including earlier years. Recipients are matched on their SAM.gov UEI, never on the name, and are shown as the government prints them. Sole proprietorships and opted-out entities count in the totals and are not named. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.