| Business | Phone |
| Michigan Con Gas Co 3200 Hobson St, Detroit 48201 | (313) 831-0825 |
| Dewey Gas Furnace Co 38 Overlook Terr, Detroit 48207 | (313) 259-0617 |
| Ramo Inc 5611 Tarnow St, Detroit 48210 | (313) 897-1505 |
| Van Dyke Mart 6420 Van Dyke St, Detroit 48213 | (313) 571-3333 |
| Energy Resource Mgmt Corp 615 Griswold St, Detroit 48226 | (313) 965-2721 |
| Conant Gas & Mart 1555 E Outer Dr, Detroit 48234 | (313) 368-6990 |
| Map Gas Inc 14417 Linwood St, Detroit 48238 | (313) 866-4661 |