Thermal Structures, Inc.
Private companyWARN notices since 2024
Workers affected since 2024
Executive changes, last 12 months
Last event
Workers affected over time
Cumulative workers in WARN notices since 2024
| Notice date | Workers affected | Cumulative |
|---|---|---|
| Sep 26, 2024 | 40 | 40 |
| Aug 25, 2025 | 155 | 195 |
| Sep 2, 2025 | 447 | 642 |
Leadership
No executive changes on record.
layoffs from Nov 24, 2025
Plant closurePlant closure: CA
Thermal Structures, Inc. filed a WARN notice with the California WARN list on Sep 2, 2025 covering 447 workers. The site closes on Nov 24, 2025.
Source: California WARN list, filed Sep 2, 2025Site: CA
Workers affected: 447
layoffs from Nov 24, 2025
Plant closurePlant closure: Plainfield, IN
Thermal Structures, Inc. filed a WARN notice with the Indiana WARN list on Aug 25, 2025 covering 155 workers in Plainfield. The site closes on Nov 24, 2025.
Source: Indiana WARN list, filed Aug 25, 2025Site: Plainfield, IN
Workers affected: 155
layoffs from Nov 25, 2024
Plant closurePlant closure: CA
Thermal Structures, Inc. filed a WARN notice with the California WARN list on Sep 26, 2024 covering 40 workers. The site closes on Nov 25, 2024.
Source: California WARN list, filed Sep 26, 2024Site: CA
Workers affected: 40
layoffs from Oct 23, 2020
WARN noticeWARN notice: Corona, CA
Thermal Structures, Inc. filed a WARN notice with the California WARN list on Sep 29, 2020 covering 350 workers in Corona. The layoffs take effect on Oct 23, 2020.
Source: California WARN list, filed Sep 29, 2020Site: Corona, CA
Workers affected: 350
layoffs from Dec 23, 2019
Plant closurePlant closure: Corona, CA
Thermal Structures, Inc. filed a WARN notice with the California WARN list on Oct 3, 2019 covering 400 workers in Corona. The site closes on Dec 23, 2019.
Source: California WARN list, filed Oct 3, 2019Site: Corona, CA
Workers affected: 400
layoffs from Dec 26, 2018
Plant closurePlant closure: Corona, CA
Thermal Structures, Inc. filed a WARN notice with the California WARN list on Oct 18, 2018 covering 1 worker in Corona. The site closes on Dec 26, 2018.
Source: California WARN list, filed Oct 18, 2018Site: Corona, CA
Workers affected: 1
Last verified Nov 8, 2026