| Business | Phone |
| Aaa Svc Rr 8 Box 45, Ada 74820 | (580) 332-7900 |
| Absolute Comfort Heat & Air 7424 County Road 1525, Ada 74820 | (580) 332-8788 |
| Ada All Seasons 9622 County Road 3580, Ada 74820 | (580) 436-6055 |
| Advanced Heating & Air 14913 County Road 3544, Ada 74820 | (580) 436-0928 |
| Air Comfort Of Southern Ok Inc 710 E Smith St, Ada 74820 | (580) 436-0222 |
| Bob Whiteley Svc 1920 Collins Blvd, Ada 74820 | (580) 332-4160 |
| Dependable Heating & Air Cond 1200 N Mississippi Ave, Ada 74820 | (580) 436-5662 |
| Locke Wholesale Heating & Cool 821 N Broadway Ave, Ada 74820 | (580) 332-1576 |
| Lou Vogt Sheet Metal 10140 State Highway 99n, Ada 74820 | (580) 332-2454 |
| Southern Oklahoma Svc Center Ada 74820 | (580) 332-4290 |