| Company | State | Location | Workers | Notice date |
| American Airlines | FL | MIAMI, FL, 33142 | 1,068 | 2021-02-09 |
| Amgen | CA | Newbury Park, Ventura County | 531 | 2021-02-10 |
| Blue Sky Studios | CT | Greenwich | 469 | 2021-02-09 |
| Quetico | CA | Chino, San Bernardino County | 304 | 2021-02-10 |
| Hilton Anatole | TX | Dallas, Dallas | 206 | 2021-02-10 |
| CBRE | TX | Dallas, Dallas | 193 | 2021-02-08 |
| Seadrill Americas-West Neptune | TX | Houston, Harris | 162 | 2021-02-08 |
| Food 4 Less | CA | Long Beach, Los Angeles County | 156 | 2021-02-11 |
| Norwegian Air Resources US | FL | FORT LAUDERDALE, FL, 33315 | 154 | 2021-02-12 |
| Triumph Aerospace Structures | WA | Spokane | 136 | 2021-02-11 |
| Gannett | FL | SARASOTA, FL, 34243 | 100 | 2021-02-12 |
| Ralphs | CA | Long Beach, Los Angeles County | 94 | 2021-02-11 |
| AeroGuard | AZ | — | 92 | 2021-02-12 |
| B&H Flowers | CA | Carpinteria, Santa Barbara County | 75 | 2021-02-11 |
| UNIQLO California | CA | San Francisco, San Francisco County | 69 | 2021-02-09 |