| Company | State | Location | Workers | Notice date |
| Zoological Society of San Diego | CA | San Diego, San Diego County | 1,690 | 2020-12-02 |
| SeaWorld | CA | San Diego, San Diego County | 827 | 2020-12-31 |
| Exxon Mobil Campus | TX | Spring, Harris | 677 | 2020-12-02 |
| Boca Raton | FL | BOCA RATON, FL, 33432 | 664 | 2020-12-15 |
| Southwest Airlines - Los Angeles International Airport | CA | Los Angeles, Los Angeles County | 632 | 2020-12-07 |
| Southwest Airlines - Metropolitan Oakland International Airport | CA | Oakland, Alameda County | 573 | 2020-12-07 |
| Southwest Airlines | CO | Denver | 556 | 2020-12-03 |
| Southwest-Dallas Love Field | TX | Dallas, Dallas | 465 | 2020-12-03 |
| Southwest Airlines | FL | ORLANDO, FL, 32827 | 376 | 2020-12-04 |
| Ocean's 11 Casino | CA | Oceanside, San Diego County | 360 | 2020-12-23 |
| Southwest Airlines - San Diego International Airport | CA | San Diego, San Diego County | 358 | 2020-12-11 |
| White Stallion Energy | IN | Evansville and Illinois | 338 | 2020-12-02 |
| LAZ Parking LTD, LLC (Updated Notice) | CT | Hartford | 334 | 2020-12-15 |
| LTF Club Management | CA | Roseville, Sacramento County | 333 | 2020-12-22 |
| Crystal Casino | CA | Compton, Los Angeles County | 295 | 2020-12-17 |