US WARN layoff notices › Employers › H › Hallcon
Official state WARN filings by Hallcon since 1988, normalized from state labor department sources. Latest notice: 2025-04-24.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2025-04-24 | Colorado | Multiple | 104 | 2025-04-25 | Closure |
| 2024-08-30 | New Mexico | Clovis, Curry | 118 | 2024-10-31 | — |
| 2023-11-01 | California | Santa Clara County | 65 | 2023-12-31 | Layoff Permanent |
| 2022-09-27 | California | San Francisco County | 63 | 2022-11-25 | Layoff Permanent |
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.
