| Business | Phone |
| Durant Mechanical & Electrical 16814 Hamilton Ave, Highland Park 48203 | (313) 862-1528 |
| Intel-I-Volt 1911 Florence St, Highland Park 48203 | (313) 340-1848 |
| Hoover Electric 2123 W 8 Mile Rd, Highland Park 48203 | (313) 891-3152 |
| Labruin Electric 951 Whitmore Rd, Highland Park 48203 | (313) 345-9933 |
| Innobated Electric 230 Farrand Park, Highland Park 48203 | (313) 883-0914 |
| John E Green Co 220 Victor St, Highland Park 48203 | (313) 868-2400 |
| P & P Electric 231 Grove St, Highland Park 48203 | (313) 921-8004 |
| Post Electric 19345 John R St, Highland Park 48203 | (313) 369-1219 |
| Rotor Electric Co 19620 John R St, Highland Park 48203 | (313) 891-0331 |