| Southwest Gas Corporation AZ | Utilities | 0 | — | F |
| Southwest Gas Corporation CA | Utilities | 0 | — | D |
| Southwest Gas Corporation NV | Utilities | 1 | $125,000 | C |
| Southwest General OH | Healthcare & Social Assistance | 0 | — | C |
| Southwest General Contractors TX | Construction | 0 | — | D |
| Southwest General Hospital, LP TX | — | 0 | — | — |
| Southwest Glass & Glazing NM | Construction | 0 | — | F |
| Southwest Glass Inc. TX | Construction | 0 | — | F |
| Southwest Grading Inc CA | Construction | 0 | — | A |
| Southwest Health WI | Healthcare & Social Assistance | 0 | — | C |
| Southwest Health System, Inc. CO | Healthcare & Social Assistance | 0 | — | B |
| Southwest Healthcare Services ND | Healthcare & Social Assistance | 0 | — | D |
| Southwest Home and Hearth, Inc. AZ | Construction | 0 | — | A |
| Southwest Institute of Montessori Studies, Inc. AZ | Educational Services | 1 | $61,381 | — |
| SOUTHWEST INTERNATIONAL TRUCKS TX | Retail Trade | 0 | — | D |
| Southwest Iowa REC IA | Utilities | 0 | — | F |
| Southwest Iowa Renewable Energy IA | Manufacturing | 0 | — | F |
| Southwest Iowa Rural Electric Cooperative IA | Utilities | 0 | — | A |
| 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 | — | — |
| Southwest Key Programs, Inc. (Casa Montezuma) TX | — | 0 | — | — |
| Southwest Key Programs, Inc. (Casa Oasis) TX | — | 0 | — | — |
| Southwest Key Programs, Inc. (Casa Quetzal) TX | — | 0 | — | — |
| Southwest Key Programs, Inc. (Casa Sueno) TX | — | 0 | — | — |
| Southwest Key Programs, Inc. (Casa Sunzal) TX | — | 0 | — | — |
| Southwest Key Programs, Inc. (Houston HQ) TX | — | 0 | — | — |
| Southwest Key Programs, Inc. - Casa Pleasant Hill CA | — | 0 | — | — |
| Southwest Key Programs, Inc. - Casa San Diego CA | — | 0 | — | — |
| Southwest Key Programs-Casa Blanca TX | — | 0 | — | — |
| Southwest Key Programs-Casa Canutillo TX | — | 0 | — | — |
| Southwest Key Programs-Casa Houston Reliant TX | — | 0 | — | — |
| Southwest Key Programs-Casa Montezuma TX | — | 0 | — | — |
| Southwest Key Programs-Casa Norma Linda TX | — | 0 | — | — |
| Southwest Key Programs-Casa Nueva Esperanza TX | — | 0 | — | — |
| Southwest Key Programs-Casa Quetzal TX | — | 0 | — | — |
| Southwest Key Programs-Casa Rio Grande TX | — | 0 | — | — |
| Southwest Key Programs-Casita Del Valle TX | — | 0 | — | — |
| Southwest Key Programs-Conroe TX | — | 0 | — | — |
| Southwest Key Programs-Houston Headquarters TX | — | 0 | — | — |
| Southwest Key Programs-National Headquarters (Austin) TX | — | 0 | — | — |
| Southwest Key Programs-STX Regional Headquarters TX | — | 0 | — | — |
| Southwest Kia Mesquite TX | Retail Trade | 0 | — | A |
| Southwest Kia of Dallas TX | Retail Trade | 0 | — | A |
| SOUTHWEST KIA OF ROCKWALL TX | Retail Trade | 0 | — | A |
| Southwest Kidney Care NM | Healthcare & Social Assistance | 1 | $260,000 | — |
