| Business | Phone |
| Ellerby Welding Sioux City 51104 | (712) 259-4460 |
| Guinther Welding & Machine 2815 29th St, Sioux City 51105 | (712) 277-2226 |
| Maximum Welding 413 Floyd Blvd, Sioux City 51101 | (712) 255-8700 |
| Unger's Specialty Welding 1004 Division St, Sioux City 51105 | (712) 255-6143 |