| Business | Phone |
| Harry Brown Sales Corp 1320 S 13th St, Duncan 73533 | (580) 255-8173 |
| Henderson Supply 608 S 1st St, Duncan 73533 | (580) 255-3972 |
| M & M Supply Co 400 E Bois D Arc Ave, Duncan 73533 | (580) 255-2543 |
| M & M Supply Co 909 W Peach Ave, Duncan 73533 | (580) 252-7879 |
| Special Equipment 2515 S 42nd St, Duncan 73533 | (580) 470-9622 |
| Smith International Inc 3445 N Highway 81, Duncan 73533 | (580) 252-3355 |