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Prime · United States

Amentum

HQ United StatesAMTM

Amentum provides engineering, technology and mission-support services to U.S.

PrimeInformation management and cybersecurityLogistics and sustainment+1
Website
Prime obligations
$29.74B
Since FY2008 · incl. subsidiaries
Prime awards
5,932
Every award since FY2008
Systems
1
Capabilities
3
Mentions
1
Latest Oct 8, 2026

About Amentum

and allied government customers. Defense capabilities include systems engineering, cybersecurity, intelligence analysis, logistics, operational readiness and modernization. The broader company also works in space systems, digital transformation, advanced energy and environmental services, which should not all be counted as DoD activity. Amentum supports the operation, integration and sustainment of complex systems and infrastructure; its Common Ground – Space Enterprise Architecture offering is one example of a named technical capability. Headquarters is in Chantilly, Virginia, with published U.S. and international offices. Hiring includes engineers, technicians, maintainers, analysts and program personnel, often tied to specific contracts or customer locations. Its Warrington laboratory hub supports materials, radiochemistry, testing, and engineering work across nuclear, energy, and other sectors.

News1

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Federal Prime Contracts$29.74B obligated · FY2010–FY2027

Explore in Awards →
Obligated
$29.74B
FY2010–FY2027
Contract actions
29,465
5,932 awards
Peak year
FY2025
$5.48B
Top buyer
U.S. Army
31% of obligations
Obligations by fiscal yearLast 5 full years avg $3.56BFaded: FY2026 so far; DoD publishes actions about 90 days late.
FY2010: $8.2M · 7 actionsFY2011: $43.9M · 25 actionsFY2012: $140M · 71 actionsFY2013: $197M · 187 actionsFY2014: $170M · 213 actionsFY2015: $510M · 1,018 actionsFY2016: $871M · 1,940 actionsFY2017: $647M · 2,004 actionsFY2018: $1.33B · 1,917 actionsFY2019: $1.39B · 1,782 actionsFY2020: $1.32B · 1,677 actionsFY2021: $2.26B · 2,049 actionsFY2022: $2.57B · 2,073 actionsFY2023: $3.07B · 2,308 actionsFY2024: $4.40B · 3,069 actionsFY2025: $5.48B · 4,690 actionsFY2026 (to date): $5.34B · 4,379 actions
’10’14’18’22’26
Show as table
Obligations by fiscal year
Fiscal yearObligatedActionsAwards
FY2026 (to date)$5.34B4,3792,174
FY2025$5.48B4,6901,565
FY2024$4.40B3,069995
FY2023$3.07B2,308629
FY2022$2.57B2,073491
FY2021$2.26B2,049589
FY2020$1.32B1,677465
FY2019$1.39B1,782532
FY2018$1.33B1,917618
FY2017$647M2,004650
FY2016$871M1,940584
FY2015$510M1,018338
FY2014$170M213100
FY2013$197M18766
FY2012$140M7136
FY2011$43.9M2512
FY2010$8.2M75

Top buyers

  1. U.S. Army$9.15B 31%
  2. U.S. Navy$5.96B 20%
  3. U.S. Air Force$5.90B 20%
  4. NASA$1.82B 6.1%
  5. U.S. Customs and Border Protection$840M 2.8%
  6. Defense Contract Management Agency$825M 2.8%
  7. U.S. Immigration and Customs Enforcement$658M 2.2%
  8. Missile Defense Agency$646M 2.2%
  9. Federal Acquisition Service$628M 2.1%
  10. Defense Logistics Agency$612M 2.1%
  11. U.S. Department of State$589M 2.0%
  12. Departmental Offices$500M 1.7%
  13. All other$1.61B 5.4%

Defense programs

  1. MDA SUPPORT$646M 2.2%
  2. STATUS OF FORCES AGREEMENT$186M 0.6%
  3. MQ-9 Reaper$152M 0.5%
  4. SPACE C2$103M 0.3%
  5. MH-139A$37.2M 0.1%
  6. MH-60R$19.8M 0.1%
  7. UH-60M BLACK HAWK$8.5M 0.0%
  8. F-35 Lightning II$6.8M 0.0%
  9. KC-46A Tanker Modernization Program$3.5M 0.0%
  10. Trident II D5 missile$3.1M 0.0%
  11. ABV$1.4M 0.0%
  12. OTHER ENVIRONMENTAL PROGRAMS$992K 0.0%
  13. C-5A$962K 0.0%
  14. BRADLEY FVS$955K 0.0%
  15. MRO$760K 0.0%
  16. All other−$30.0M -0.1%

Only actions coded to a DoD acquisition program.

What they sell (PSC)

  1. Maint/Repair/Rebuild of Equipment- Aircraft and Airframe Structural Components$7.45B 25%
  2. Support- Management: Logistics Support$3.47B 12%
  3. Support- Professional: Engineering/Technical$3.17B 11%
  4. Support- Professional: Other$2.06B 6.9%
  5. Housekeeping- Facilities Operations Support$1.97B 6.6%
  6. Maint/Repair/Rebuild of Equipment- Weapons$1.25B 4.2%
  7. Support- Professional: Program Management/Support$681M 2.3%
  8. Housekeeping- Guard$661M 2.2%
  9. National Defense R&D Services; Defense-Related Activities; Applied Research$608M 2.0%
  10. Education/Training- General$606M 2.0%
  11. National Defense R&D Services; Department of Defense - Military; Experimental Development$503M 1.7%
  12. Technical Representative- Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles$491M 1.6%
  13. Operation of Other Warehouse Buildings$455M 1.5%
  14. Housekeeping- Warehousing/Storage$383M 1.3%
  15. Maint/Repair/Rebuild of Equipment- Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles$354M 1.2%
  16. All other$5.64B 19%

Industry (NAICS)

  1. Other Support Activities for Air Transportation$7.43B 25%
  2. Facilities Support Services$7.02B 24%
  3. Engineering Services$5.44B 18%
  4. Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology)$1.26B 4.2%
  5. Aircraft Manufacturing$1.25B 4.2%
  6. General Warehousing and Storage$1.18B 4.0%
  7. Research and Development in the Physical, Engineering, and Life Sciences (Except Biotechnology)$1.12B 3.8%
  8. General Automotive Repair$916M 3.1%
  9. Security Guards and Patrol Services$745M 2.5%
  10. Flight Training$592M 2.0%
  11. All other$2.78B 9.4%

Where the work is done

  1. Virginia$6.82B 23%
  2. Outside the US$4.69B 16%
  3. Texas$3.58B 12%
  4. Maryland$2.98B 10%
  5. Nevada$1.38B 4.6%
  6. Florida$1.37B 4.6%
  7. Alabama$1.14B 3.8%
  8. District of Columbia$983M 3.3%
  9. South Carolina$672M 2.3%
  10. Colorado$648M 2.2%
  11. Guam$630M 2.1%
  12. California$594M 2.0%
  13. Louisiana$559M 1.9%
  14. Indiana$548M 1.8%
  15. Oklahoma$502M 1.7%
  16. All other$2.65B 8.9%

Contract pricing

  1. Firm Fixed Price$12.83B 43%
  2. Cost Plus Fixed Fee$10.53B 35%
  3. Cost Plus Award Fee$2.27B 7.6%
  4. Cost Plus Incentive Fee$1.96B 6.6%
  5. Time and Materials$1.19B 4.0%
  6. Labor Hours$300M 1.0%
  7. Cost No Fee$282M 0.9%
  8. Fixed Price Level of Effort$165M 0.6%
  9. All other$209M 0.7%

Competition

  1. Full and Open Competition$27.77B 93%
  2. Not Competed$1.69B 5.7%
  3. Not Available for Competition$198M 0.7%
  4. Competed Under SAP$38.4M 0.1%
  5. Full and Open Competition After Exclusion of Sources$36.6M 0.1%
  6. Not Competed Under SAP$2.5M 0.0%
  7. Competitive Delivery Order$0 0.0%

Largest awards10

Signed obligations on federal prime contracts (award types A–D) from USAspending, FY2008 through Oct 9, 2026. Obligations are money the government committed, not company revenue, and include de-obligations. Subcontracts and grants are excluded. Matching is by registered UEI. “Including subsidiaries” adds our listed subsidiaries (from their acquisition date, where known) and actions whose reported parent is this company.

Joint ventures

Counted separately: their awards are not included in Amentum's totals above.

View all 5,932 awards →

Systems1

Newest unveiled first. Open a system for its milestone timeline, components and sources.

Capabilities3

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

Supply Chain16 facilities

Facilities16

  • Corporate headquarters
    Headquarters · Chantilly, Virginia, United States
    Operating
    Confirmed
  • Aiken office
    Office · Aiken, South Carolina, United States
    Operating
    Confirmed
  • Amentum Warrington laboratory hub
    Lab · Warrington, England, United Kingdom
    Operating
    Confirmed
  • Annapolis Junction office
    Office · Annapolis Junction, Maryland, United States
    Operating
    Confirmed
  • Colorado Springs office
    Office · Colorado Springs, Colorado, United States
    Operating
    Confirmed
  • Englewood office
    Office · Englewood, Colorado, United States
    Operating
    Confirmed
  • Fort Worth office
    Office · Fort Worth, Texas, United States
    Operating
    Confirmed
  • Houston office
    Office · Houston, Texas, United States
    Operating
    Confirmed
  • Huntsville office
    Office · Huntsville, Alabama, United States
    Operating
    Confirmed
  • Las Vegas office
    Office · Las Vegas, Nevada, United States
    Operating
    Confirmed

Hiring Observations

Official careers and open roles ↗

Use the official careers site for current openings and application requirements.

Sources6

Profile2

  1. 1
    CompanyOur Capabilities | Amentum

    Supports Organization

  2. 2
    Government recordSEC company tickers and exchanges

    U.S. Securities and Exchange Commission · Supports Organization · ownership

    “[2011286,"Amentum Holdings, Inc.","AMTM","NYSE"]”

Systems1

  1. 3
    CompanyAdvanced Engineering and Technology Solutions for Defense

    Supports Organization, Organization technology, System

    “Amentum applies a customized Agile lifecycle processes to ITSM with disciplined performance, incident, change,”

Technologies2

  1. 4
    CompanyAmentum | Global Government & Private-Sector Critical Solutions

    Supports Organization, Organization technology

    “Amentum applies a customized Agile lifecycle processes to ITSM with disciplined performance, incident, change,”
  2. 5
    CompanyGlobal Locations | Amentum

    Supports Facility, Organization, Organization technology

    “Englewood”

Supply chain1

  1. 6
    CompanyResearch, Laboratory and Energy Test Bed Operations | Amentum

    amentum.com · Supports Facility, Organization

    “12,000m2 laboratory hub in Warrington”

Government identifiers1

UEI
TU4KCXMM9AP6
confirmed · Checked Oct 10, 2026
Source ↗

Identifiers are matched to this legal entity; related companies may hold different registrations.

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.