| Business | Phone |
| Air Doctor Heating & Cooling 3090 Trowbridge St, Hamtramck 48212 | (313) 758-0639 |
| A & E Heating & Cooling Co 11360 Joseph Campau St, Hamtramck 48212 | (313) 892-2122 |
| Bulldog Boiler Rental 1641 Caniff St, Hamtramck 48212 | (313) 567-9000 |
| Detroit Blow Pipe & Sheet Inc 7495 E Davison St, Hamtramck 48212 | (313) 365-8970 |
| Bisaga Plumbing & Heating 2245 Caniff St, Hamtramck 48212 | (313) 365-8630 |
| Marketing Premier Energy 11420 Charest St, Hamtramck 48212 | (313) 368-7043 |
| Mr White's Plumbing & Heating 6861 Buhr St, Hamtramck 48212 | (313) 275-6431 |
| Marketing Premier Energy 3385 Norwalk St, Hamtramck 48212 | (313) 871-7480 |
| Premier Energy Marketing 11639 Klinger St, Hamtramck 48212 | (313) 368-7041 |