TEMPORARY CLOSURE · NOT A LAYOFFREPORTED · WARN NOTICE✓ VERIFIEDAdded Dec 10, 2025

Thermal Structures, Inc. Temporary Closure — November 2025

This is a temporary closure, not a layoff. The WARN notice behind this record is marked Closure Temporary by the filing employer — a scheduled pause, such as a seasonal or holiday shutdown, after which normal operations resume. This event is excluded from our layoff totals.

SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed September 2, 2025View the filing ↗

EMPLOYEES AFFECTED

447

EFFECTIVE DATE

Nov 24, 2025

What we know

Location: Railroad Street Corona, CA (Riverside County).

A WARN notice for this layoff is recorded on September 2, 2025.

Disclosed through an official WARN filing with the CA state workforce agency.

Summary

Thermal Structures, Inc. disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CA state workforce agency on September 2, 2025. The notice covers 447 employees in Railroad Street Corona, CA (Riverside County), with the layoff effective November 24, 2025.