US WARN layoff notices › Employers › Q › Quest Diagnostics
Official state WARN filings by Quest Diagnostics since 1988, normalized from state labor department sources. Latest notice: 2024-08-26.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| — | Pennsylvania | Norristown, Montgomery | 121 | 2024-08-26 | Closing |
| 2020-08-07 | Maryland | 1901 Sulphur Springs Road Halethorpe, MD 21227 | 52 | 2020-09-27 | 2 |
| 2020-08-05 | California | Woodland, Yolo County | 3 | 2020-04-13 | Layoff Temporary |
| 2020-07-22 | California | Auburn, Placer County | 7 | 2020-04-13 | Layoff Temporary |
| 2015-08-13 | California | San Jose | 78 | 2015-10-16 | Layoff Permanent |
| 2015-07-01 | Connecticut | Wallingford | 80 | 2015-08-31 | — |
| 2007-04-19 | Illinois | Schaumburg, 506 E. State Parkway | 55 | — | State |
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.
