| Business | Phone |
| Aldridge Auto Sales & Detail 1505 W Main St, Duncan 73533 | (580) 252-7445 |
| Bill Beene Auto Sales 2216 W Randall Ave, Duncan 73533 | (580) 475-0055 |
| Bradburry Auto Sales 612 S Highway 81, Duncan 73533 | (580) 255-4511 |
| Car-Mart Of Duncan 610 N Highway 81, Duncan 73533 | (580) 252-5577 |
| Car-N-Credit 3445 N Highway 81, Duncan 73533 | (580) 255-0110 |
| Carter's Car Country 4712 N Highway 81, Duncan 73533 | (580) 252-8990 |
| Carter's Car Country South 702 N Highway 81, Duncan 73533 | (580) 252-9936 |
| Denham Auto Sales 601 S Highway 81, Duncan 73533 | (580) 251-9985 |
| Down & Out Auto 1002 S 13th St, Duncan 73533 | (580) 470-8384 |
| Duncan Car Lot 702 N Highway 81, Duncan 73533 | (580) 255-5565 |
| Finley Motors 404 S 7th St, Duncan 73533 | (580) 255-5776 |
| Green's Used Cars 401 W Main St, Duncan 73533 | (580) 255-0719 |
| Hoggs Used Cars 118 W Main St, Duncan 73533 | (580) 252-1767 |
| J & J Used Cars 301 W Main St, Duncan 73533 | (580) 255-5353 |
| Jim Byers Used Cars 105 W Main St, Duncan 73533 | (580) 255-5853 |
| Whitney-Hunt Motor Co 812 N Highway 81, Duncan 73533 | (580) 255-7071 |
| Mangum Auto Sales 2915 N Highway 81, Duncan 73533 | (580) 252-0441 |
| Mc Nair Auto Sales Duncan 73533 | (580) 252-2068 |
| Milton Motors 607 E Elm Ave, Duncan 73533 | (580) 255-5979 |
| Troutman Trading Co & Used Car 802 N Highway 81, Duncan 73533 | (580) 658-5889 |
| Troutman Trading Co Used Cars 513 W Bois D Arc Ave, Duncan 73533 | (580) 252-8329 |
| Osage Country Auto Sales Rr 2 Box 83, Duncan 73533 | (580) 252-1112 |
| T R Auto Sales 1705 S Highway 81, Duncan 73533 | (580) 252-3880 |
| Petty's Auto Sales 502 S 2nd St, Duncan 73533 | (580) 255-8266 |
| Plaza Auto Sales 1826 N Highway 81, Duncan 73533 | (580) 255-4002 |
| Ramsey Motors 612 S Highway 81, Duncan 73533 | (580) 255-3636 |
| Roy Burch Auto Sales 1310 N Highway 81, Duncan 73533 | (580) 252-3345 |