COMPANY DOSSIER

Thermal Structures Layoffs

Yes. Thermal Structures filed 2 WARN notices to cut 602 jobs in 2 states, with the layoffs effective Nov 24, 2025. The most recent was filed Sep 2, 2025 under the federal WARN Act.

602 roles affected across 2 filings in 2 states.

Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
No WARN filing or SEC event in the recent window — quiet on the wire right now.
CanaryWhistle's own assessment, computed from the public filings listed on this page. It is a read of hiring and workforce activity, not a statement about Thermal Structures's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
◆ NATIONAL FOOTPRINT · 2 states. Each state files its own WARN notice, so small per-state counts are slices of one distributed layoff. Ranked by jobs cut:
California447Indiana155

Filing history

Thermal Structures has filed 2 WARN notices in 2025, cutting 602 jobs in total. Activity picked back up in the last 12 months (602 jobs) after a quiet prior year.

602
2025

Every filing

Corona, California
Filed Sep 2, 2025 (10mo ago) · Effective Nov 24, 2025 · official filing →
447
Closure
Plainfield, Indiana
Filed Aug 25, 2025 (11mo ago) · Effective · · official filing →
155
Layoff

Questions

Is Thermal Structures laying off employees?

Yes. Thermal Structures filed 2 WARN notices to cut 602 jobs in 2 states, with the layoffs effective Nov 24, 2025. The most recent was filed Sep 2, 2025 under the federal WARN Act.

How many jobs is Thermal Structures cutting?

602 jobs, across 2 official WARN filings in 2 states.

When do the Thermal Structures layoffs take effect?

The most recent filing lists an effective date of Nov 24, 2025. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.

Watching Thermal Structures?

We'll email you if there are further filings, expansions, or new locations affected.

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