US WARN intelligence
Quest Diagnostics layoffs & WARN notices
Quest Diagnostics appears in 10 non-cancelled imported WARN records across 6 states. These records report 687 affected workers; 0 have future effective dates. Totals include imported records only. Secondary records are attributed separately.
What the official notice history shows
During the last 365 days, this imported archive contains 0 eligible official filings for Quest Diagnostics. Worker counts are unavailable for this period. 0 worker counts are unavailable. The newest official notice date is Aug 7, 2020.
5 non-cancelled direct government records and 5 attributed secondary records appear in the full archive. These figures describe notices, not unique people or completed layoffs. Grouped company names do not establish ownership.
Compare original weekly and monthly official-data reports → · How dates, names and counts are interpreted
State breakdown
| State | Notices | Reported workers | Upcoming events |
|---|---|---|---|
| California | 3 | 88 | 0 |
| Connecticut | 1 | 80 | 0 |
| Illinois | 1 | 55 | 0 |
| Maryland | 1 | 52 | 0 |
| Michigan | 2 | 137 | 0 |
| Pennsylvania | 2 | 275 | 0 |
Reported employer names
- Quest Diagnostics (canonical company name)
- Quest Diagnostics Inc
- Quest Diagnostics Inc.
- Quest Diagnostics Incorporated
- Quest Diagnostics, Inc
- Quest Diagnostics, Inc.
Notice history by year
Filings and attributed reports
| Company / location | Workers | Effective date | Notice date | Type / source |
|---|---|---|---|---|
| Quest DiagnosticsHorsham, Montgomery · PA recordSecondary · WARN Feed | 154 | Jul 16, 2021 | May 1, 2021 | UnavailableSource ↗ |
| Quest Diagnostics2 · MD record | 52 | Sep 27, 2020 | Aug 7, 2020 | UnavailableSource ↗ |
| Quest DiagnosticsWoodland, CA | 3 | Apr 13, 2020 | Apr 3, 2020 | temporarySource ↗ |
| Quest DiagnosticsAuburn, CA | 7 | Apr 13, 2020 | Apr 3, 2020 | temporarySource ↗ |
| Quest DiagnosticsTroy · MI recordSecondary · WARN Feed | 57 | Unavailable | Mar 8, 2018 | closureSource ↗ |
| Quest DiagnosticsSan Jose, CA | 78 | Oct 16, 2015 | Aug 12, 2015 | layoffSource ↗ |
| Quest DiagnosticsWallingford · CT recordSecondary · WARN Feed | 80 | Aug 31, 2015 | Jul 1, 2015 | UnavailableSource ↗ |
| Quest DiagnosticsSchaumburg, 506 E. State Parkway · IL recordSecondary · WARN Feed | 55 | Unavailable | Apr 19, 2007 | UnavailableSource ↗ |
| Quest DiagnosticsGrand Rapids · MI recordSecondary · WARN Feed | 80 | Unavailable | Jan 30, 2001 | layoffSource ↗ |
| Quest DiagnosticsMontgomery, PA | 121 | Aug 26, 2024 | Unavailable | closureSource ↗ |