| Business | Phone |
| B & B Electric 910 S 14th Ave, Marshalltown 50158 | (641) 752-6431 |
| Ferneau Electric 216 W Ferner St, Marshalltown 50158 | (641) 752-1844 |
| Flathers & Co Electric 1003 W State St, Marshalltown 50158 | (641) 752-2855 |
| G L Wehrman Electric 209 Pine St, Marshalltown 50158 | (641) 752-7569 |
| How-Gan Electric 1300 E Anson St, Marshalltown 50158 | (641) 752-7592 |
| Brite-Way Electric 411 S 9th St, Marshalltown 50158 | (641) 753-0696 |
| L E Myers Co 1405 Jackson St, Marshalltown 50158 | (641) 753-6679 |
| M & N Construction & Electric 111 S 1st Ave, Marshalltown 50158 | (641) 753-0832 |
| Neal's Electric Svc Marshalltown 50158 | (641) 752-5570 |
| Troy's Electric Marshalltown 50158 | (641) 751-0160 |
| Warden Electric Inc 809 Jackson St, Marshalltown 50158 | (641) 752-5256 |
| Web Electric 711 W Madison St, Marshalltown 50158 | (641) 752-6474 |