| Business | Phone |
| Charlie's Refrigeration Duncan 73533 | (580) 470-9878 |
| Cliff Richardson Ac Inc 710 W Walnut Ave, Duncan 73533 | (580) 255-3723 |
| Curtis Refrigeration 1012 Willow St, Duncan 73533 | (580) 252-2665 |
| Davis Air Conditioning 335 S Highway 81, Duncan 73533 | (580) 252-1787 |
| Jeff's Ac & Htg & Geothermal 2903 W Walnut Ave, Duncan 73533 | (580) 656-1442 |
| Van & Co 5315 N Highway 81, Duncan 73533 | (580) 252-2205 |
| Sellers Air Conditioning 1655 W Camelback Rd, Duncan 73533 | (580) 255-6106 |