| Business | Phone |
| Better Way Air Cond & Heating 12352 Shepard Hill Rd, Willis 77318 | (936) 264-3122 |
| Country Line Air Po Box 1305, Willis 77378 | (936) 856-4387 |
| Custom Care Ac Heat & Refrig 1575 Mark Dr, Willis 77378 | (936) 856-3086 |
| D C Air Conditioning & Heating 12290 Oak Meadow Dr, Willis 77378 | (936) 890-6262 |
| Fmc Mechanical Co 17240 Old Danville Rd, Willis 77318 | (936) 344-9449 |
| L & La/C Svc Inc 13956 Mariner Dr, Willis 77318 | (936) 890-7521 |
| Montgomery Air Conditioning 12008 Maverick Dr, Willis 77378 | (936) 890-0326 |
| R P Mechanical Co 9882 W Shore Dr, Willis 77318 | (936) 856-5580 |
| Wendell's Air Conditioning Po Box 1204, Willis 77378 | (936) 856-4270 |