| Southwest Airlines - John Wayne Airport CA | - | 0 | - | - |
| Southwest Airlines - Long Beach/Daughtry Field CA | - | 0 | - | - |
| Southwest Airlines - Los Angeles International Airport CA | - | 0 | - | - |
| Southwest Airlines - Metropolitan Oakland International Airport CA | - | 0 | - | - |
| Southwest Airlines - Norman Y. Mineta San Jose International Airport CA | - | 0 | - | - |
| Southwest Airlines - Ontario International Airport CA | - | 0 | - | - |
| Southwest Airlines - Palm Springs International Airport CA | - | 0 | - | - |
| Southwest Airlines - Sacramento International Airport CA | - | 0 | - | - |
| Southwest Airlines - San Diego International Airport CA | - | 0 | - | - |
| Southwest Airlines - San Francisco International Airport CA | - | 0 | - | - |
| Southwest Airlines - WARN Rescinded 1/8/21 NV | - | 0 | - | - |
| Southwest Airlines Co. NJ | - | 0 | - | - |
| Southwest Airlines Co. TX | Transportation & Warehousing | 57 | $141,689 | F |
| Southwest Airlines Ft. Lauderdale-Hollywood International Airport FL | - | 0 | - | - |
| Southwest Airlines Orlando International Airport FL | - | 0 | - | - |
| Southwest Airlines Tampa International Airport FL | - | 0 | - | - |
| Southwest Airlines Update CO | - | 0 | - | - |
| Southwest Airlines/Aircraft Appearance Technicians Workgroup Ft. Lauderdale/Hollywood International Airport FL | - | 0 | - | - |
| Southwest Airlines/Aircraft Appearance Technicians Workgroup Orlando International Airport FL | - | 0 | - | - |
| Southwest Airlines/Mechanic and Related Workgroup Ft. Lauderdale/Hollywood International Airport FL | - | 0 | - | - |
| Southwest Airlines/Mechanic and Related Workgroup Orlando International Airport FL | - | 0 | - | - |
| Southwest Airlines/Mechanic and Related Workgroup Tampa International Airport FL | - | 0 | - | - |
| Southwest Autism Research and Resource Center AZ | Professional & Technical Services | 1 | $48,000 | - |
| Southwest Behavioral Health Services, Inc. AZ | Healthcare & Social Assistance | 1 | $52,333 | C |
| Southwest Behavioral Health Sv AZ | Healthcare & Social Assistance | 0 | - | A |
| Southwest Beverage CO INC LA | Wholesale Trade | 0 | - | D |
| Southwest Business CORPORATION TX | Finance & Insurance | 8 | $122,228 | - |
| Southwest Community Health Center CT | Healthcare & Social Assistance | 0 | - | C |
| Southwest Construction Services TX | Construction | 0 | - | D |
| Southwest Dealer Services Inc CA | Wholesale Trade | 0 | - | C |
| Southwest Fabrication LLC AZ | Manufacturing | 0 | - | F |
| Southwest Fabricators, Inc. OK | Manufacturing | 0 | - | F |
| Southwest Foodservice Excellence, LLC AZ | Accommodation & Food Services | 1 | $49,587 | A |
| Southwest Galvanizing TX | Manufacturing | 0 | - | F |
| Southwest Gas Corporation AZ | Utilities | 0 | - | F |
| Southwest Gas Corporation NV | Utilities | 1 | $125,000 | C |
| Southwest General OH | Healthcare & Social Assistance | 0 | - | C |
| Southwest General Hospital, LP TX | - | 0 | - | - |
| Southwest Glass & Glazing NM | Construction | 0 | - | F |
| Southwest Health WI | Healthcare & Social Assistance | 0 | - | C |
| Southwest Health System, Inc. CO | Healthcare & Social Assistance | 0 | - | B |
| Southwest Institute of Montessori Studies, Inc. AZ | Educational Services | 1 | $61,381 | - |
| Southwest International Trucks TX | Retail Trade | 0 | - | D |
| Southwest Key Program TX | Healthcare & Social Assistance | 0 | - | F |
| Southwest Key Program (Casa Trail House) TX | - | 0 | - | - |
| Southwest Key Programs AZ | Healthcare & Social Assistance | 0 | - | F |
| Southwest Key Programs CA | Healthcare & Social Assistance | 0 | - | F |
| Southwest Key Programs TX | Healthcare & Social Assistance | 0 | - | F |
| Southwest Key Programs, Inc. FL | - | 0 | - | - |
| Southwest Key Programs, Inc. (Casa Houston Reliant) TX | - | 0 | - | - |
