US WARN layoff notices › Employers › A › Amentum
Official state WARN filings by Amentum since 1988, normalized from state labor department sources. Latest notice: 2026-09-04.
Also filed as: Combined Tactical Training Range
Filed under 12 spellings in state records, merged on this page: Amentum (PAE Shared Services LLC); Amentum (Update); Amentum - CTTR; Amentum - Hillsboro, OR; Amentum 1106th TASMG; Amentum at NAS Lemoore; Amentum at NAS North Island; Amentum Hollomon AFB; Amentum Operations and Maintenance Services; Amentum PAE NBC; Amentum/Hollomon AFB.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-09-04 | Georgia | E Hospital Rd Augusta | 77 | 2026-10-31 | Permanent Layoff / Reduction in Force |
| 2026-08-21 | Arizona | Chandler | 75 | — | WARN |
| 2026-08-20 | Hawaii | Schofield Barracks | 62 | 2026-10-31 | — |
| 2026-08-20 | Oregon | Hillsboro | 74 | 2026-10-19 | Large Layoff - 10 or more workers |
| 2026-08-18 | Maryland | 7710 Milestone Parkway Hanover, MD 21076 | 65 | 2026-11-13 | Mass Layoff- No Recall |
| 2026-08-18 | Maryland | 7710 Milestone Parkway Hanover, MD 21076 | 317 | 2026-10-31 | Mass Layoff- No Recall |
| 2026-03-09 | Maryland | 4251 Suitland Road Suitland, MD 20746 | 27 | 2026-05-03 | Mass Layoff - No Recall |
| 2026-03-09 | Maryland | 10530 Riverview Road Fort Washington, MD 20744 | 9 | 2026-05-03 | Mass Layoff - No Recall |
| 2025-12-04 | Colorado | Pueblo | — | 2026-01-26 | Project milestone completion |
| 2025-10-01 | Colorado | Pueblo | 10 | 2025-12-01 | Project milestone completion |
| 2025-08-25 | Colorado | Pueblo | 60 | 2025-10-31 | Project milestone completion |
| 2025-07-30 | Colorado | Pueblo | 55 | 2025-10-31 | Related to milestone completion |
| 2025-07-02 | Virginia | Richmond | 56 | 2025-08-31 | Layoff |
| 2025-06-24 | Colorado | Pueblo | 135 | 2025-09-30 | Closure |
| 2025-06-05 | Colorado | Pueblo | 92 | — | Closure |
| 2025-03-24 | Colorado | Pueblo | 93 | 2025-05-01 | Completion of Mileston |
| 2025-01-28 | Colorado | Pueblo | 40 | 2025-01-28 | Partial completion of PCAPP Project |
| 2025-01-27 | Alabama | Anniston | 62 | 2025-04-03 | Layoff |
| — | South Carolina | Beaufort | 62 | 2024-09-02 | — |
| 2024-07-31 | Arizona | Fort Worth | 108 | — | WARN |
| 2024-07-31 | Nevada | Fallon | 20 | 2024-09-02 | Closure |
| 2024-07-29 | Colorado | Pueblo | 72 | 2024-09-30 | Closure (upon completion of project) |
| 2024-07-26 | Virginia | Falls Church & Springfield | 53 | 2024-09-27 | Closure |
| 2024-05-21 | Colorado | Pueblo | 11 | 2024-07-01 | Closure (end of Milestone 7) |
| 2024-05-14 | California | Fresno County | 113 | 2024-06-28 | Layoff Permanent |
| 2024-01-30 | Colorado | Pueblo | 45 | 2024-03-01 | Closure-Completion of PCAPP Milestones |
| 2023-12-14 | North Carolina | Elizabeth City, Pasquotank County | 92 | 2024-02-03 | Closure |
| 2023-11-21 | Colorado | Pueblo | 54 | 2024-01-01 | Completion of PCAPP Milestones |
| 2023-09-15 | Colorado | Pueblo | 31 | 2023-11-17 | Completion of Project Milestone 4 |
| 2023-08-11 | Colorado | Pueblo | 14 | 2023-10-12 | Closure (completion of milestone) |
| 2023-07-25 | California | San Diego County | 73 | 2023-07-30 | Layoff Permanent |
| 2023-07-25 | California | Kings County | 32 | 2023-07-30 | Layoff Permanent |
| 2023-07-03 | Colorado | Rural Consortium (Pueblo) | 27 | 2023-08-31 | Reduction in Force (End Project) |
| 2023-05-31 | Washington | Everett | 3 | 2023-07-30 | Layoff |
| 2023-05-26 | Colorado | Pueblo | 19 | 2023-07-27 | Closure (Phase 1) |
| 2022-10-31 | Washington | Oak Harbor | 194 | 2022-12-31 | Layoff |
| 2022-10-12 | Florida | KENNEDY SPACE CENTER, FL, 32899 | 188 | 2022-11-30 | — |
| 2022-09-28 | California | San Diego County | 70 | 2022-10-15 | Layoff Permanent |
| 2022-08-29 | New Mexico | Alamogordo, Otero | 149 | 2022-11-08 | — |
| 2022-06-15 | Virginia | Virginia Beach | 42 | 2022-08-11 | Layoff |
| 2022-06-13 | Missouri | Lee’s Summit | 537 | 2022-08-13 | Loss of Contract |
| 2022-04-13 | New Mexico | Alamogordo, otero | 128 | 2022-05-05 | — |
| 2022-01-28 | Texas | New Boston, Bowie | 178 | 2022-03-27 | — |
| 2021-08-30 | Texas | New Boston, Bowie | 92 | 2021-10-29 | — |
| 2020-10-05 | California | San Diego, San Diego County | 4 | 2020-10-26 | Layoff Permanent |
| 2020-09-18 | Florida | KEY WEST, FL, 33040 | 10 | 2020-10-26 | — |
| 2020-09-18 | Florida | ALTOONA, FL, 32702 | 16 | 2020-10-26 | — |
| 2020-09-18 | Florida | JACKSONVILLE, FL, 32212 | 13 | 2020-10-26 | — |
| 2020-09-17 | Nevada | Fa, LV | 161 | 2020-10-26 | Layoff |
| 2020-09-17 | Virginia | Virginia Beach | 91 | 2020-10-26 | Layoff |
| — | South Carolina | Statewide | 10 | 2020-08-28 | — |
| 2020-07-15 | California | San Diego, San Diego County | 3 | 2020-08-28 | Layoff Permanent |
| 2020-06-30 | Washington | Whidbey Island | 13 | 2020-08-28 | Layoff |
| 2020-06-29 | North Carolina | Onslow County | 100 | 2020-08-28 | Layoff |
| 2020-06-29 | Nevada | Fallon | 150 | 2020-08-28 | Layoff |
| 2020-05-18 | Virginia | Chantilly | 40 | 2020-06-16 | Layoff |
| 2020-03-13 | Arizona | Yuma | 62 | — | WARN |
| 2020-03-13 | Florida | ALTOONA, FL, 32702 | 15 | 2020-05-12 | — |
| 2020-03-13 | Florida | KEY WEST, FL, 33040 | 10 | 2020-05-12 | — |
| 2020-03-13 | Nevada | Fa, LV | 150 | 2020-05-12 | Layoff |
| 2020-03-13 | Florida | JACKSONVILLE, FL, 32212 | 9 | 2020-05-12 | — |
| 2020-03-13 | Washington | Whidbey Island | 13 | 2020-05-12 | Layoff |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
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