Amentum Nuclear & Environment Holdings, Inc.

Chantilly, VA Part of Amentum Holdings LLC

Company facts

Self-certified in SAM.gov: For Profit Organization
Entity structure: Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov: 562910 Remediation Services Primary

541611 Administrative Management and General Management Consulting Services
Corporate family: Amentum Holdings LLC Parent LMHQY3226778

Amentum Nuclear & Environment Holdings, Inc. QXY2SLJWEHT5

Amentum Environment & Energy, Inc. VQZQH9HX2YH1

Amentum Environment & Energy, Inc. EPJXJJAXYF38
SAM.gov registration date: May 27, 2026
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 25, 2026.

Amentum Nuclear & Environment Holdings, Inc.'s Unique Entity ID (UEI) in SAM.gov is QXY2SLJWEHT5.

Amentum Nuclear & Environment Holdings, Inc.'s CAGE code is 8PV99.

Amentum Nuclear & Environment Holdings, Inc.'s primary NAICS code is 562910 (Remediation Services).

Amentum Nuclear & Environment Holdings, Inc.'s physical address in SAM.gov is 4800 Westfields Blvd #400, Chantilly, VA 20151, USA.

Yes. Amentum Nuclear & Environment Holdings, Inc.'s SAM.gov registration is active through June 10, 2027.

Amentum Nuclear & Environment Holdings, Inc. is part of Amentum Holdings LLC.

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