| Business | Phone |
| Bass Auto Sales 19754 Newton Rd, Diamond 64840 | (417) 325-7595 |
| Dan's Auto Sales 403 S Washington St, Diamond 64840 | (417) 325-7168 |
| Hency's Used Cars 19644 Highway J, Diamond 64840 | (417) 325-4276 |
| Manz Used Cars 210 N Washington St, Diamond 64840 | (417) 325-7101 |