Data / Federal awards / NAICS 541690 / Department of Defense
Department of Defense contracts under NAICS 541690 Other Scientific and Technical Consulting Services: $2.1 billion to 476 recipients (FY2024 to FY2027)
Updated October 6, 2026. Source: USAspending.gov.
Department of Defense obligated $2.1 billion under NAICS 541690, Other Scientific and Technical Consulting Services, across 1,762 contract awards to 476 named recipients in fiscal years 2024 to 2027. The largest recipients are GENERAL DYNAMICS ONE SOURCE LLC ($244.9 million), PARSONS GOVERNMENT SERVICES INC. ($235.6 million), LOCKHEED MARTIN CORPORATION ($182.5 million). 15 opportunities under this code are open on SAM.gov now.
The request: Every federal contract awarded by Department of Defense under NAICS 541690, 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
- 541690 Other Scientific and Technical Consulting Services
- Contract awards
- 1,762
- Obligated
- $2.1 billion
- Named recipients
- 476
- Small business share of obligations
- 32%
- Full and open competition share
- 70%
- Set aside share
- 14%
- Latest action
- 2026-07-06
Open opportunities in this niche
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Incumbents at this agency
Ranked by dollars obligated in fiscal years 2024 to 2027.
| Recipient | Business size | Awards | Obligated | Share |
|---|---|---|---|---|
| GENERAL DYNAMICS ONE SOURCE LLC | Other Than Small Business | 17 | $244.9 million | 11.8% |
| PARSONS GOVERNMENT SERVICES INC. | Other Than Small Business | 6 | $235.6 million | 11.4% |
| LOCKHEED MARTIN CORPORATION | Other Than Small Business | 1 | $182.5 million | 8.8% |
| SYSTEM HIGH CORPORATION | Other Than Small Business | 4 | $167.9 million | 8.1% |
| MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | Other Than Small Business | 5 | $110.4 million | 5.3% |
| JANUS RESEARCH GROUP, LLC | Other Than Small Business | 10 | $52.3 million | 2.5% |
| HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC. | Other Than Small Business | 58 | $48.7 million | 2.4% |
| RMC 2021 LLC | Small Business | 24 | $44.7 million | 2.2% |
| KEGMAN INC. | Small Business | 11 | $41.8 million | 2.0% |
| RAYTHEON COMPANY | Other Than Small Business | 7 | $41.7 million | 2.0% |
| AMERESCO SELECT, INC. | Other Than Small Business | 3 | $41.2 million | 2.0% |
| V2X AEROSPACE LLC | Other Than Small Business | 19 | $31.9 million | 1.5% |
| MINATOISHI PALUMBO ARCHITECTS, INC. | Small Business | 1 | $29.5 million | 1.4% |
| NOBLIS, INC. | Other Than Small Business | 11 | $29 million | 1.4% |
| TECHNOLOGY SECURITY ASSOCIATES, INC. | Small Business | 13 | $28.4 million | 1.4% |
| K2 GROUP, INC. | Small Business | 3 | $27.4 million | 1.3% |
| THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | Other Than Small Business | 16 | $25.1 million | 1.2% |
| AKIMA DATA MANAGEMENT LLC | Small Business | 1 | $24.9 million | 1.2% |
| VANTOR SERVICES INC. | Small Business | 1 | $23.2 million | 1.1% |
| MOBIUS CONSULTING, LLC | Small Business | 1 | $22.6 million | 1.1% |
| W R SYSTEMS LTD. | Other Than Small Business | 15 | $21.9 million | 1.1% |
| KENNELL & ASSOCIATES INC | Small Business | 3 | $21.8 million | 1.1% |
| GOLDBELT PROFESSIONAL SERVICES, LLC | Small Business | 4 | $21.7 million | 1.0% |
| SERCO INC | Other Than Small Business | 6 | $21.4 million | 1.0% |
| CHEROKEE INSIGHTS LLC | Small Business | 1 | $18.8 million | 0.9% |
| SWMG PRODUCTIONS INC | Small Business | 16 | $17.5 million | 0.8% |
| DBOC JOINT VENTURE | Small Business | 5 | $14.4 million | 0.7% |
| CHINOOK SYSTEMS INC | Small Business | 10 | $13.2 million | 0.6% |
| BROADLEAF, INC. | Small Business | 1 | $12.1 million | 0.6% |
| T3I, INC. | Small Business | 5 | $11 million | 0.5% |
| S.P. CRAMER & ASSOCIATES, INC. | Small Business | 5 | $11 million | 0.5% |
| LOCKHEED MARTIN CORP | Other Than Small Business | 1 | $10.2 million | 0.5% |
| ACC3 INTERNATIONAL INCORPORATED | Small Business | 4 | $9.8 million | 0.5% |
| SOL ENGINEERING SERVICES, LLC | Small Business | 69 | $9.8 million | 0.5% |
| RIVERSIDE RESEARCH INSTITUTE | Other Than Small Business | 1 | $9.1 million | 0.4% |
| D7, LLC | Small Business | 3 | $8.9 million | 0.4% |
| TIERRA DATA INC | Small Business | 29 | $8.9 million | 0.4% |
| APEX ANALYTICS GROUP, INC. | Small Business | 5 | $8.8 million | 0.4% |
| AGILE IT SYNERGY, LLC | Small Business | 2 | $8.8 million | 0.4% |
| BUFFALO HORSE INC | Small Business | 1 | $8.7 million | 0.4% |
| BLUEHALO LLC | Other Than Small Business | 1 | $8.6 million | 0.4% |
| GOLDBELT FRONTIER, LLC | Small Business | 1 | $8.6 million | 0.4% |
| HO-CHUNK SHARED SERVICES COMPANY | Small Business | 1 | $8.4 million | 0.4% |
| TRANE, DIV AMERICAN STANDARD | Other Than Small Business | 2 | $8.3 million | 0.4% |
| TIGUA TECHNOLOGY SERVICES, INC. | Small Business | 8 | $8.2 million | 0.4% |
| BMNT INC. | Small Business | 9 | $7.2 million | 0.3% |
| ACCENTURE FEDERAL SERVICES LLC | Other Than Small Business | 3 | $7.1 million | 0.3% |
| SOUTHERN METHODIST UNIVERSITY | Other Than Small Business | 3 | $7 million | 0.3% |
| BURGMAN TECHNICAL SERVICES, LLC | Small Business | 4 | $7 million | 0.3% |
| VERNADERO GROUP INC | Small Business | 70 | $6.8 million | 0.3% |
Offices buying
| Sub agency | Awards | Obligated |
|---|---|---|
| Department of the Air Force | 196 | $850.2 million |
| Department of the Army | 720 | $498.3 million |
| Department of the Navy | 597 | $332.1 million |
| Defense Advanced Research Projects Agency | 20 | $106.1 million |
| Missile Defense Agency | 5 | $90.4 million |
| Defense Threat Reduction Agency | 19 | $63.1 million |
| Defense Health Agency | 90 | $43.6 million |
| U.S. Special Operations Command | 29 | $32 million |
| Washington Headquarters Services | 26 | $24.3 million |
| Defense Counterintelligence and Security Agency | 1 | $18.8 million |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $745.6 million |
| FY2025 | $810.9 million |
| FY2026 | $511 million |
Products and services bought
| Code | Product or service | Awards | Obligated |
|---|---|---|---|
| R499 | Support- Professional: Other | 353 | $831.9 million |
| R425 | Support- Professional: Engineering/technical | 130 | $419.1 million |
| R706 | Support- Management: Logistics Support | 23 | $193.7 million |
| R408 | Support- Professional: Program Management/support | 339 | $154.5 million |
| B510 | Special Studies/analysis- Environmental Assessments | 31 | $59.2 million |
| R423 | Support- Professional: Intelligence | 3 | $45.9 million |
| B599 | Special Studies/analysis- Other | 31 | $45 million |
| B546 | Special Studies/analysis- Security (physical/personal) | 24 | $44.7 million |
Largest contract awards
| Award ID | Recipient | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| W58RGZ21C0016 | LOCKHEED MARTIN CORPORATION | Department of Defense | Definitive Contract | 541690 | AH-64 APACHE MODERNIZED TARGET ACQUISITION DESIGNATION SIGHT/PILOT NIGHT VISION SENSOR (MTADS/PNVS) PERFORMANCE BASED LOGISTICS (PBL) | $182,523,867 | $365,776,447 | July 1, 2021 | June 30, 2028 | Orlando, FL | usaspending.gov |
| FA881918C1001 | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | Department of Defense | Definitive Contract | 541690 | SPECIALIZED ACQUISITION AND OPERATION SECURITY SERVICES | $110,424,379 | $10,897,646 | September 25, 2018 | November 16, 2028 | Herndon, VA | usaspending.gov |
| HR001122C0073 | SYSTEM HIGH CORPORATION | Department of Defense | Definitive Contract | 541690 | PROGRAM SECURITY SERVICES | $99,896,641 | $166,476,462 | March 21, 2022 | March 20, 2027 | Arlington, VA | usaspending.gov |
| FA564125F0011 | PARSONS GOVERNMENT SERVICES INC. | Department of Defense | Delivery Order | 541690 | REQUIREMENTS FOR THE EARLY WARNING CAPABILITY (EWC) AND COMMAND AND CONTROL (C2) TASK ORDER (TO) UNDER THE AIR BASE AIR DEFENSE (ABAD) INDEF | $72,944,500 | $76,674,500 | April 1, 2025 | March 31, 2027 | Germany | usaspending.gov |
| HQ085822C0007 | SYSTEM HIGH CORPORATION | Department of Defense | Definitive Contract | 541690 | ADVISORY AND ASSISTANCE SERVICES (A&AS) SUPPORTING THE DEVELOPMENT, IMPLEMENTATION, MAINTENANCE, AND ASSESSMENT OF SECURITY, EMERGENCY MANAG | $67,826,665 | $110,819,209 | August 26, 2022 | August 25, 2027 | Chantilly, VA | usaspending.gov |
| FA564125F0021 | PARSONS GOVERNMENT SERVICES INC. | Department of Defense | Delivery Order | 541690 | ABAD TASK ORDER 5 | $65,945,786 | $65,945,787 | September 30, 2025 | September 29, 2026 | Germany | usaspending.gov |
| FA824025F5001 | GENERAL DYNAMICS ONE SOURCE LLC | Department of Defense | Delivery Order | 541690 | SECURITY SUPPORT SERVICES (SSS) FOR THE DEPARTMENT OF THE AIR FORCE (DAF). | $43,205,996 | $48,263,889 | February 25, 2025 | February 28, 2029 | Falls Church, VA | usaspending.gov |
| FA564121F0016 | PARSONS GOVERNMENT SERVICES INC. | Department of Defense | Delivery Order | 541690 | THE CONTRACTOR SHALL PARTICIPATE IN THE ONGOING RADSIL DEVELOPMENT ACTIVITIES TO ENSURE THE DESIGN OF AN EFFECTIVE AND SUSTAINABLE ABAD CAPA | $37,694,128 | $54,164,719 | August 1, 2021 | July 31, 2026 | Germany | usaspending.gov |
| FA564123F0004 | PARSONS GOVERNMENT SERVICES INC. | Department of Defense | Delivery Order | 541690 | AIR BASE AIR DEFENSE ARCHITECTURE & INTEGRATION SERVICES | $34,234,635 | $45,231,825 | February 6, 2023 | July 31, 2026 | Germany | usaspending.gov |
| FA702226F0014 | V2X AEROSPACE LLC | Department of Defense | Delivery Order | 541690 | THIS IS AN IDIQ CONTRACT WITH A 10 YEAR ORDERING PERIOD TO ACQUIRE NON-PERSONAL SERVICES FOR THE OPERATION, MAINTENANCE, AND SUSTAINMENT OF | $31,054,115 | $34,139,115 | November 1, 2025 | June 22, 2027 | Sterling, VA | usaspending.gov |
| W9128A24C0001 | MINATOISHI PALUMBO ARCHITECTS, INC. | Department of Defense | Definitive Contract | 541690 | CULTURAL RESOURCE SERVICES, INITIAL PHASE 1 AND PHASE 2 EFFORTS, HAWAII WILDFIRE RESPONSE DEBRIS REMOVAL SUPPORT | $29,474,665 | $29,474,665 | October 16, 2023 | January 15, 2026 | Fort Shafter, HI | usaspending.gov |
| FA824024F5001 | GENERAL DYNAMICS ONE SOURCE LLC | Department of Defense | Delivery Order | 541690 | SECURITY SUPPORT SERVICES | $29,184,191 | $214,066,467 | March 15, 2024 | February 28, 2029 | Falls Church, VA | usaspending.gov |
| FA824026F5001 | GENERAL DYNAMICS ONE SOURCE LLC | Department of Defense | Delivery Order | 541690 | SECURITY SUPPORT SERVICES (SSS) FOR THE DEPARTMENT OF THE AIR FORCE (DAF). | $27,804,401 | $45,150,481 | March 1, 2026 | February 28, 2029 | Falls Church, VA | usaspending.gov |
| HDTRA124C0038 | K2 GROUP, INC. | Department of Defense | Definitive Contract | 541690 | TECHNICAL SUPPORT GROUP SERVICES | $25,220,936 | $26,557,936 | June 14, 2024 | June 13, 2027 | Fort Belvoir, VA | usaspending.gov |
| HDTRA122C0026 | AKIMA DATA MANAGEMENT LLC | Department of Defense | Definitive Contract | 541690 | SECURITY SUPPORT SERVICES | $24,917,943 | $52,930,732 | March 1, 2022 | February 28, 2027 | Fort Belvoir, VA | usaspending.gov |
| FA564124F0006 | PARSONS GOVERNMENT SERVICES INC. | Department of Defense | Delivery Order | 541690 | ABAD BATTLESPACE COMMAND & CONTROL CENTER (BC3) PROCUREMENT, TRAINING & INTEGRATION TASK ORDER | $24,794,873 | $28,444,825 | November 22, 2023 | May 21, 2026 | Germany | usaspending.gov |
| H9240022C0002 | VANTOR SERVICES INC. | Department of Defense | Definitive Contract | 541690 | JICSOC GEOSPATIAL SBIR PHASE 3 | $23,236,741 | $58,391,763 | January 30, 2022 | October 31, 2026 | Tampa, FL | usaspending.gov |
| HQ085821C0013 | MOBIUS CONSULTING, LLC | Department of Defense | Definitive Contract | 541690 | DEI LABOR | $22,649,267 | $45,528,580 | July 16, 2021 | July 15, 2027 | Alexandria, VA | usaspending.gov |
| N6274224F0180 | HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC. | Department of Defense | Delivery Order | 541690 | LANT IDIQ - UNOMIA REMOVAL | $22,572,693 | $22,572,693 | July 23, 2024 | December 31, 2027 | Pearl Harbor, HI | usaspending.gov |
| FA702225F0015 | KEGMAN INC. | Department of Defense | Delivery Order | 541690 | THIS TASK ORDER IS FOR MANAGEMENT, ENGINEERING AND RESEARCH CONCEPTS GEOPHYSICAL EXPANDED ACQUISITION FOLLOW-ON WHICH PROVIDES NON-PERSONAL | $22,271,000 | $22,355,834 | January 1, 2025 | November 30, 2026 | Patrick Afb, FL | usaspending.gov |
| HT001122C0016 | KENNELL & ASSOCIATES INC | Department of Defense | Definitive Contract | 541690 | SUPPORT FOR STATISTICAL ANALYSIS IN THE AREAS OF (1) BUDGETING, PRICING AND FINANCIAL ANALYSIS (2) POLICY ANALYSIS (3) LIFECYCLE CONTRACT MA | $21,786,630 | $33,080,874 | April 18, 2022 | December 17, 2026 | Falls Church, VA | usaspending.gov |
| FA448410F0001 | AMERESCO SELECT, INC. | Department of Defense | Delivery Order | 541690 | SUPER ESPC FOR MID-ATLANTIC REGION | $21,349,535 | $100,765,739 | December 28, 2009 | May 31, 2027 | Trenton, NJ | usaspending.gov |
| N0018924CZ084 | SERCO INC | Department of Defense | Definitive Contract | 541690 | PSYCHOLOGICAL HEALTH OUTREACH PROGRAM | $18,844,813 | $18,844,813 | September 20, 2024 | June 19, 2027 | Herndon, VA | usaspending.gov |
| HS002123C0011 | CHEROKEE INSIGHTS LLC | Department of Defense | Definitive Contract | 541690 | DITMAC BEHAVIORAL THREAT ANALYSIS CENTER SUPPORT SERVICES | $18,805,370 | $24,362,566 | July 15, 2023 | July 14, 2027 | Arlington, VA | usaspending.gov |
| FA824025F5002 | GENERAL DYNAMICS ONE SOURCE LLC | Department of Defense | Delivery Order | 541690 | SECURITY SUPPORT SERVICES (SSS) FOR THE DEPARTMENT OF THE AIR FORCE (DAF). | $18,711,099 | $19,672,187 | February 18, 2025 | February 28, 2029 | Falls Church, 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.