| Business | Phone |
| Ramon Electric Llc 2682 Fontaine Trl, Holt 48842 | (517) 651-6336 |
| David Collins 3564 Holt Rd, Holt 48842 | (517) 694-3001 |
| Custom Electric 2214 Depot St, Holt 48842 | (517) 694-4465 |
| Quality Electric Inc 2345 Jarco Dr, Holt 48842 | (517) 694-8700 |
| Electric Da Vinci 2120 Delhi St Ne, Holt 48842 | (517) 694-5985 |
| Engineered Electric & Rmdlng 4341 Holt Rd, Holt 48842 | (517) 694-0729 |
| Holden Electric Co 4180 Keller Rd, Holt 48842 | (517) 694-3889 |
| Infotech Electric 4855 Harper Rd, Holt 48842 | (517) 694-8885 |
| Lutz Electric Construction Co 4025 1/2 Holt Rd, Holt 48842 | (517) 694-1800 |