| Business | Phone |
| Graybar Electric Co 3336 6th St Sw, Cedar Rapids 52404 | (319) 364-1190 |
| Iowa Radio Supply 5820 Dry Creek Ln Ne, Cedar Rapids 52402 | (319) 393-4510 |
| Square D 3700 6th St Sw, Cedar Rapids 52404 | (319) 369-6546 |
| Terry Durin Elec 409 7th Ave Se, Cedar Rapids 52401 | (319) 364-4106 |
| Van Meter Ind Inc 240 33rd Ave Sw, Cedar Rapids 52404 | (319) 366-5301 |
| Allied Electronics 1310 Tower Ln Ne Ab, Cedar Rapids 52402 | (319) 377-7051 |
| Avnet 2335 Blairs Ferry Rd Ne A, Cedar Rapids 52402 | (319) 393-0033 |
| Border States Electric Supply 2515 18th St Sw, Cedar Rapids 52404 | (319) 366-2868 |
| Crescent Electric Supply Co 1420 Mount Vernon Rd Se, Cedar Rapids 52403 | (319) 363-8191 |
| Dee Electronics 2500 16th Ave Sw, Cedar Rapids 52404 | (319) 365-7551 |
| Eaton Corporation 373 Collins Rd Ne 202, Cedar Rapids 52402 | (319) 378-9554 |
| Fletcher-Reinhardt Co 6204 11th St Sw, Cedar Rapids 52404 | (319) 363-2677 |