| Business | Phone |
| Balek Brothers Performance 5 Commercial Park Rd, Mason City 50401 | (641) 423-1921 |
| Colby Welding 1314 Commercial Park Rd, Mason City 50401 | (641) 424-2255 |
| Johansen Welding & Fabrication 710 6th St Sw, Mason City 50401 | (641) 422-0100 |
| Thomas Machine Co 16455 Lark Ave, Mason City 50401 | (641) 424-3456 |