Hartwell Corporation
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
Not enough notices to chart yet.
Leadership
No executive changes on record.
layoffs from Jan 7, 2021
WARN noticeWARN notice: Rancho Cucamonga, CA
Hartwell Corporation filed a WARN notice with the California WARN list on Dec 21, 2020 covering 49 workers in Rancho Cucamonga. The layoffs take effect on Jan 7, 2021.
Source: California WARN list, filed Dec 21, 2020Site: Rancho Cucamonga, CA
Workers affected: 49
layoffs from Nov 23, 2020
WARN noticeWARN notice: Rancho Cucamonga, CA
Hartwell Corporation filed a WARN notice with the California WARN list on Nov 16, 2020 covering 50 workers in Rancho Cucamonga. The layoffs take effect on Nov 23, 2020.
Source: California WARN list, filed Nov 16, 2020Site: Rancho Cucamonga, CA
Workers affected: 50
layoffs from Nov 23, 2020
WARN noticeWARN notice: Placentia, CA
Hartwell Corporation filed a WARN notice with the California WARN list on Nov 16, 2020 covering 173 workers in Placentia. The layoffs take effect on Nov 23, 2020.
Source: California WARN list, filed Nov 16, 2020Site: Placentia, CA
Workers affected: 173
layoffs from Jun 29, 2020
WARN noticeWARN notice: Rancho Cucamonga, CA
Hartwell Corporation filed a WARN notice with the California WARN list on Jun 18, 2020 covering 57 workers in Rancho Cucamonga. The layoffs take effect on Jun 29, 2020.
Source: California WARN list, filed Jun 18, 2020Site: Rancho Cucamonga, CA
Workers affected: 57
layoffs from Apr 6, 2020
WARN noticeWARN notice: Rancho Cucamonga, CA
Hartwell Corporation filed a WARN notice with the California WARN list on Mar 27, 2020 covering 66 workers in Rancho Cucamonga. The layoffs take effect on Apr 6, 2020.
Source: California WARN list, filed Mar 27, 2020Site: Rancho Cucamonga, CA
Workers affected: 66
Last verified Nov 8, 2026