Amentum Holdings LLC
Chantilly, VA
- UEI
- LMHQY3226778
- CAGE
- 8GLL3
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
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Its parent company, Amentum Holdings, Inc., ranks:
- Self-certified in SAM.gov
- Entity structure
- Other
- Corporate family
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-
Parent
Chantilly, VA
TU4KCXMM9AP6
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- AECOM Government Services, Inc. ZYQEJNC7HSD5
- Chantilly, VA Q3VZNHTHXLT9
- Chantilly, VA QXY2SLJWEHT5
- Tullahoma, TN DTRJLHVLK8F4
- Columbia, MD GL7BQUY8ZJ79
- Tullahoma, TN K8QPQLGTRM33
- Chantilly, VA RTPNQ73TAVT3
- Tampa, FL UF77FQJC15H9
- Tullahoma, TN S7NNWN1J6JP9
- Colorado Springs, CO E88DWYNQFQ25
- Amentum Technology, Inc. · Tullahoma, TN H2RGSKWXKHQ5
- Amentum Technology, Inc. · Severn, MD QCYBSZKSAFV6
- Amentum Technology, Inc. · Houston, TX MLZFCNKKJX67
- Amentum Technology, Inc. · Columbia, MD JLPQPBZQJKZ3
- Amentum Technology, Inc. · Tampa, FL K3NWHLVFMKB5
- Amentum Technology, Inc. · Ridgecrest, CA Y8MWBN2S45L6
- Chantilly, VA MZ4AFB8KQPQ5
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-
Parent
Chantilly, VA
TU4KCXMM9AP6
- SAM.gov registration date
- Physical address
- 4800 Westfields Blvd #400, Chantilly, VA 20151, USA
- Website
- amentum.com
- Founded
- 2020
- Employees
- 50K-100K
- Estimated annual revenue
- $10B+
- Industry
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- Industrials
- Capital Goods
- Construction & Engineering
- Civil Engineering
- SIC code
- 87 Engineering & Management Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| Fluor Marine Propulsion, LLC | 89233018CNR000004 | $438,167 |
Similar vendors
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| Kbrwyle | Houston, TX | 541330 Engineering Services |
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| Eliassen Government Services LLC | Bethesda, MD | 561320 Temporary Help Services |
| GDH Government Services LLC | Tulsa, OK | 561320 Temporary Help Services |
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About the company
Amentum Holdings LLC is a premier global technical and engineering services partner supporting critical defense, security, intelligence, energy, and environmental programs of national significance. Through federal contract awards, Amentum provides IT services, staff augmentation support, and other technical and engineering services.
Amentum has received federal subcontract awards for IT services from prime contractor Schafer Government Services, LLC on multiple occasions. Additionally, Amentum has provided staff augmentation support under a federal subcontract with prime contractor Nuclear Waste Partnership LLC. The company also has a subcontract award for unspecified staff augmentation support services. Based on this history of federal subcontract awards, Amentum specializes in providing IT, engineering, and technical staffing services to support critical national security and infrastructure programs.
Quick answers
Is Amentum Holdings LLC registered in SAM.gov?
Yes. Amentum Holdings LLC's SAM.gov registration is active through March 2, 2027.
How does Amentum Holdings LLC rank among federal contractors?
Amentum Holdings LLC's parent company, Amentum Holdings, Inc., ranked #1 in NAICS 48-49, #1 in NAICS 5629 and #1 in NAICS 8111 in FY2025.
On GovTribe
See Amentum Holdings LLC's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Federal grant awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors