CalFrac Well Services
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.
- Plant closure
Plant closure: Smithfield, PA
Calfrac Well Services Corp. filed a WARN notice with the Pennsylvania WARN list covering 75 workers at 2001 Summit View Drive, Smithfield, PA 15478. The site closes on Jul 20, 2026.
Source: Pennsylvania WARN list, filed Jul 20, 2026Site: Smithfield, PA
Workers affected: 75
layoffs from May 1, 2020
WARN noticeWARN notice: Williston, ND
Calfrac Well Services Corp filed a WARN notice with the North Dakota WARN list on Apr 20, 2020 for a site in Williston. The notice does not state how many workers it covers. The layoffs take effect on May 1, 2020.
Source: North Dakota WARN list, filed Apr 20, 2020Site: Williston, ND
- WARN notice
WARN notice: San Antonio, TX
CalFrac Well Services filed a WARN notice with the Texas WARN list on Apr 15, 2020 covering 134 workers in San Antonio. The layoffs take effect on Apr 15, 2020.
Source: Texas WARN list, filed Apr 15, 2020Site: San Antonio, TX
Workers affected: 134
- WARN notice
WARN notice: Williston, ND
Calfrac Well Services Corp filed a WARN notice with the North Dakota WARN list on Mar 25, 2020 for a site in Williston. The notice does not state how many workers it covers. The layoffs take effect on Mar 25, 2020.
Source: North Dakota WARN list, filed Mar 25, 2020Site: Williston, ND
layoffs from Jul 17, 2016
WARN noticeWARN notice: Williston, ND
Calfrac Well Services Corp filed a WARN notice with the North Dakota WARN list on May 18, 2016 for a site in Williston. The notice does not state how many workers it covers. The layoffs take effect on Jul 17, 2016.
Source: North Dakota WARN list, filed May 18, 2016Site: Williston, ND
layoffs from Jul 3, 2016
WARN noticeWARN notice: Williston, ND
Calfrac Well Services Corp filed a WARN notice with the North Dakota WARN list on May 4, 2016 for a site in Williston. The notice does not state how many workers it covers. The layoffs take effect on Jul 3, 2016.
Source: North Dakota WARN list, filed May 4, 2016Site: Williston, ND
layoffs from Jun 26, 2016
WARN noticeWARN notice: Williston, ND
Calfrac Well Services Corp filed a WARN notice with the North Dakota WARN list on Apr 27, 2016 for a site in Williston. The notice does not state how many workers it covers. The layoffs take effect on Jun 26, 2016.
Source: North Dakota WARN list, filed Apr 27, 2016Site: Williston, ND
Last verified Nov 8, 2026