US WARN layoff noticesEmployersT › Thermal Structures

Thermal Structures — WARN Act layoff notices

Official state WARN filings by Thermal Structures since 1988, normalized from state labor department sources. Latest notice: 2025-09-16.

6notices
1,393workers affected
2states
Notice dateStateLocationEmployeesEffective dateType
2025-09-16CaliforniaRiverside County4472025-11-24Closure Temporary
2025-08-25IndianaPlainfield155CL (Holiday)
2024-10-09CaliforniaRiverside County402024-11-25Closure Temporary
2020-10-28CaliforniaCorona, Riverside County3502020-10-23Layoff Temporary
2019-10-15CaliforniaCorona, Riverside County4002019-12-23Closure Temporary
2018-10-31CaliforniaCorona, Riverside County12018-12-26Closure Temporary

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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