| Business | Phone |
| Cannon Technologies Inc 600 4th St 311, Sioux City 51101 | (712) 279-8750 |
| Consolidated Elec Distrib 212 Fairmount St, Sioux City 51106 | (712) 277-2023 |
| Crescent Electric Supply Co 2222 6th St, Sioux City 51101 | (712) 277-1273 |
| Lakeland Engineering Equipment 412 Water St, Sioux City 51103 | (712) 252-3611 |
| Rogers Electric Supplies 701 Jackson St, Sioux City 51105 | (712) 252-3251 |
| Sioux City Wintronic 1110 Dace Ave, Sioux City 51101 | (712) 255-8023 |
| Van Meter Co 3218 Northbrook Dr C, Sioux City 51105 | (712) 252-2040 |
| Wesco Distributing Inc 2501 3rd St, Sioux City 51101 | (712) 255-7634 |