Federal contractor profile
Amentum Services: Federal Contracts, Agencies & Awards
Data through 2026-09-28 · FY2026 to date
- Obligations, FY2026 to date
- $3B
- Contract awards
- 1,160
- Average award size
- $2.6M
- vs. prior full fiscal year
- 15.5% decline
| Item | Obligations |
|---|---|
| FY21 | $1.4B |
| FY22 | $1.6B |
| FY23 | $2.5B |
| FY24 | $3.8B |
| FY25 | $3.5B |
| FY26 | $3B |
Obligations fell 15.5% year over year, from $3.5B in FY2025 to $3B in FY2026 to date.
Amentum Services obligated $3B in federal contract dollars in FY2026 to date, across 1,160 awards with an average award size of $2.6M. Obligations fell 15.5% year over year. The Department of Defense is the largest buyer, accounting for $1.9B of obligations. Other major buyers include the Department of Homeland Security at $787M and the General Services Administration at $129M. Market activity centers on Other Support Activities for Air Transportation at $1B, followed by Security Guards and Patrol Services at $508M and Engineering Services at $425M. Historical obligations rose from $1.4B in FY21 to $3.8B in FY24, then moved to $3.5B in FY25 and $3B in FY26 to date. The dataset presents contract obligations; the largest industry-specific totals and agency breakdowns reflect where federal spending is concentrated for the current fiscal year to date. Readers should note current-year totals are partial and that award-count and average-award-size figures describe obligations, not necessarily total multiyear contract values.
What drove Amentum Services' FY2026 to date obligations?
The Department of Defense obligated $1.9B, making DoD the primary driver of FY2026 to date obligations. The Department of Homeland Security contributed $787M and the General Services Administration contributed $129M, concentrating much of the top-line total. Market-level spending in Other Support Activities for Air Transportation at $1B and Security Guards and Patrol Services at $508M also pushed obligations higher.
| Item | Obligations |
|---|---|
| Department of Defense | $1.9B |
| Department of Homeland Security | $787M |
| General Services Administration | $129M |
| Department of the Treasury | $87.3M |
| Department of State | $47.4M |
| National Aeronautics and Space Administration | $22.1M |
| Department of Justice | $11.6M |
| Unknown | $8.2M |
| Department of the Interior | $0 |
| Agency for International Development | $0 |
Department of Defense is Amentum Services's largest federal customer, with $1.9B obligated (63.4% of the company's federal obligations).
Where does Amentum Services sell most of its services?
Other Support Activities for Air Transportation is the largest market with $1B in obligations, followed by Security Guards and Patrol Services at $508M and Engineering Services at $425M. Facilities Support Services at $253M and Computer Facilities Management Services at $155M round out the top five markets. Aircraft Manufacturing appears in the top 10 with $121M, indicating a mix of aviation, security, and engineering work.
| Item | Obligations |
|---|---|
| Other Support Activities for Air Transportation | $1B |
| Security Guards and Patrol Services | $508M |
| Engineering Services | $425M |
| Facilities Support Services | $253M |
| Computer Facilities Management Services | $155M |
| General Warehousing and Storage | $153M |
| Aircraft Manufacturing | $121M |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $105M |
| Ship Building and Repairing | $69M |
| General Automotive Repair | $50.7M |
Other Support Activities for Air Transportation is Amentum Services's largest federal market, with $1B in obligations.
| Rank | Award | Award Amount | Awarding Agency | Ends |
|---|---|---|---|---|
| 1 | 0004 | $7.4B | Department of Defense | 2022-06-30 |
| 2 | 0003 | $1.3B | Department of Defense | 2025-11-21 |
| 3 | 0002 | $1.2B | Department of Defense | 2025-12-22 |
| 4 | N6134020F0040 | $1000M | Department of Defense | 2027-03-31 |
| 5 | W58RGZ17C0011 | $962M | Department of Defense | 2026-01-01 |
| 6 | W58RGZ19C0025 | $945M | Department of Defense | 2026-11-30 |
| 7 | 70B02C21C00000005 | $787M | Department of Homeland Security | 2026-09-30 |
| 8 | W9124G17C0005 | $648M | Department of Defense | 2027-01-09 |
| 9 | 0006 | $579M | Department of Defense | 2025-08-21 |
| 10 | W58RGZ23C0029 | $518M | Department of Defense | 2027-01-15 |
| 11 | 70CDCR26C00000016 | $453M | Department of Homeland Security | 2026-09-30 |
| 12 | J101 | $371M | Department of Defense | 2019-09-30 |
| 13 | W58RGZ25C0003 | $359M | Department of Defense | 2026-11-30 |
| 14 | W911RQ23F0020 | $347M | Department of Defense | 2026-07-15 |
| 15 | 19AQMM18F0052 | $341M | Department of State | 2026-09-16 |
| 16 | 70SBUR23C00000009 | $340M | Department of Homeland Security | 2027-06-28 |
| 17 | FA300221F0119 | $334M | Department of Defense | 2027-01-31 |
| 18 | FA805123F0023 | $307M | Department of Defense | 2026-09-30 |
| 19 | N6660422C0102 | $296M | Department of Defense | 2026-12-06 |
| 20 | W56HZV23F0077 | $238M | Department of Defense | 2026-09-19 |
| 21 | 47QFCA23F0046 | $234M | General Services Administration | 2027-08-31 |
| 22 | N6523617F3083 | $233M | Department of Defense | 2024-07-20 |
| 23 | 80KSC017C0012 | $204M | National Aeronautics and Space Administration | 2023-08-18 |
| 24 | 70B02C20C00000041 | $202M | Department of Homeland Security | 2021-09-30 |
| 25 | W58RGZ25C0004 | $195M | Department of Defense | 2026-11-30 |
| Award | Awarding Agency | Award Value | Ends |
|---|---|---|---|
| N6134020F0040 | Department of Defense | $1000M | 2027-03-31 |
| W58RGZ19C0025 | Department of Defense | $945M | 2026-11-30 |
| 70B02C21C00000005 | Department of Homeland Security | $787M | 2026-09-30 |
| W9124G17C0005 | Department of Defense | $648M | 2027-01-09 |
| W58RGZ23C0029 | Department of Defense | $518M | 2027-01-15 |
| 70CDCR26C00000016 | Department of Homeland Security | $453M | 2026-09-30 |
| W58RGZ25C0003 | Department of Defense | $359M | 2026-11-30 |
| 70SBUR23C00000009 | Department of Homeland Security | $340M | 2027-06-28 |
| FA300221F0119 | Department of Defense | $334M | 2027-01-31 |
| FA805123F0023 | Department of Defense | $307M | 2026-09-30 |
| Detail | Registration |
|---|---|
| Unique Entity ID (UEI) | QEMLRQA7PLG4 |
| Headquarters | Chantilly, VA |
| Parent company | AECOM |
| Business types | Category business; Corporate entity not tax exempt; Other than small business; Special designations; Us owned business |
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Frequently asked questions
How much does Amentum Services make from federal contracts?
Amentum Services obligated $3B in federal contract dollars in FY2026 to date. The company won 1,160 awards with an average award size of $2.6M, and obligations fell 15.5% year over year. Historical obligations listed are $1.4B in FY21, $1.6B in FY22, $2.5B in FY23, $3.8B in FY24, and $3.5B in FY25.
Which agencies buy from Amentum Services?
The Department of Defense buys the most from Amentum Services, obligating $1.9B in FY2026 to date. Other significant buyers include the Department of Homeland Security at $787M and the General Services Administration at $129M, with smaller amounts from the Department of the Treasury at $87.3M and the Department of State at $47.4M.
What does Amentum Services sell to the government?
Amentum Services sells aviation support, security, engineering, and facilities and IT services to the government. Other Support Activities for Air Transportation accounts for $1B in obligations, Security Guards and Patrol Services accounts for $508M, and Engineering Services accounts for $425M; Facilities Support Services and Computer Facilities Management Services account for $253M and $155M respectively.
Which Amentum Services contracts are expiring soon?
No expiring-contracts figures are listed on the page. The provided tables include obligation totals, agency breakdowns, and top markets, but the dataset does not list contract expiration details or expiring-contracts values.
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