OpenERISA

Amentum Services, INC.

Chantilly, VA, 20151

EIN 27-1628265
Plans
1
Total participants
84,249
Filing years
2024, 2023, 2022
NAICS
541330

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Amentum 401(K) Retirement Plan30,412
2023Form 5500001Amentum 401(K) Retirement Plan31,017
2022Form 5500001Amentum 401(K) Retirement Plan22,820

Data shown as filed with the U.S. Department of Labor (EBSA), filing years 2020–2025; not validated by OpenERISA. View official filings for this EIN on the DOL EFAST2 search.

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