Amentum (Update)

Pueblo, Colorado

filed Dec 4, 2025

A WARN notice is filed with the state before a plant closing or a mass layoff, under the federal WARN Act or a state law like it. Workers is the number the employer said would be affected; plans can change after filing. Data sources

Company
Amentum (Update)
Notice date
Dec 4, 2025
Effective date
Jan 26, 2026
Location
Pueblo
State
Colorado
Notice
co-922e64cf8cee8078

As published

occupations
Various (See WARN)
workforce_area
Pueblo
received_date
12/4/25
letter
Amentum
company
Amentum (Update)
naics
54,1330: Engineering Services
reason
Project milestone completion
notice_date
12/4/25
end_date
1/30/26
begin_date
1/26/26

From the Colorado Department of Labor and Employment's WARN list, row 46, read Oct 3, 2026; first seen here Oct 3, 2026. Read with Big Local News's warn-scraper and warn-transformer.