US WARN layoff notices › Employers › C › Calfrac Well Services
Official state WARN filings by Calfrac Well Services since 1988, normalized from state labor department sources. Latest notice: 2026-07-20.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| — | Pennsylvania | Smithfield, Fayette | 75 | 2026-07-20 | Closure |
| — | Pennsylvania | Smithfield, Fayette | 159 | 2020-07-06 | — |
| 2020-04-20 | North Dakota | Williston, ND | 83 | 2020-05-01 | — |
| 2020-04-16 | New Mexico | Artecia, Eddie | 106 | 2020-04-16 | — |
| 2020-04-15 | Texas | San Antonio, Bexar | 134 | 2020-04-15 | — |
| 2020-03-25 | North Dakota | Williston, ND | 212 | 2020-03-25 | — |
| — | Pennsylvania | Smithfield, Fayette | 63 | 2016-06-26 | Layoff |
| 2016-05-18 | North Dakota | Williston, ND | 55 | 2016-07-17 | — |
| 2016-05-04 | North Dakota | Williston, ND | 3 | 2016-07-03 | — |
| 2016-04-27 | North Dakota | Williston, ND | 11 | 2016-06-26 | — |
| — | Pennsylvania | Philipsburg, Clearfield | 61 | 2015-09-13 | Layoff |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
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