Amentum Government Services Holdings Sub LLC

Chantilly, VA Part of Amentum Holdings LLC

Company facts

Self-certified in SAM.gov: For Profit Organization

Limited Liability Company
Entity structure: Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov: 541330 Engineering Services Primary
Corporate family: Amentum Holdings LLC Parent LMHQY3226778

Amentum Government Services Holdings Sub LLC Q3VZNHTHXLT9

Amentum Government Services, Inc. W6T8K184C5V8

Amentum Services Inc. EDFBY99K5FK8

Amentum Services Inc. JCM1PHX4X9M9

Amentum Services, Inc. HE89E2BE5G54

Amentum Services, Inc. SSXRWFY918M1

Amentum Services, Inc. KGNSK4VSH796

Amentum Services, Inc. WEK2AL94M6H7

Amentum Services, Inc. QEMLRQA7PLG4

Amentum Services, Inc. KAS5HG38F9B1

Amentum Services, Inc. QQLVBZRQV5K5
SAM.gov registration date: Apr 17, 2025
Physical address: 4800 Westfields Blvd #400, Chantilly, VA 20151, USA
Website: amentum.com
Founded: 2020
Employees: 50K-100K
Estimated annual revenue: $10B+
Industry: Industrials

Capital Goods

Construction & Engineering

Civil Engineering
SIC code: 87 Engineering & Management Services
Profiles: LinkedIn

X

Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jun 23, 2026.

Amentum Government Services Holdings Sub LLC's Unique Entity ID (UEI) in SAM.gov is Q3VZNHTHXLT9.

Amentum Government Services Holdings Sub LLC's CAGE code is 8M1L0.

Amentum Government Services Holdings Sub LLC's primary NAICS code is 541330 (Engineering Services).

Amentum Government Services Holdings Sub LLC's physical address in SAM.gov is 4800 Westfields Blvd #400, Chantilly, VA 20151, USA.

Yes. Amentum Government Services Holdings Sub LLC's SAM.gov registration is active through June 18, 2027.

Amentum Government Services Holdings Sub LLC is part of Amentum Holdings LLC.

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