| Business | Phone |
| Excel Propane Co 4168 W Polk Rd, Hart 49420 | (231) 873-0004 |
| Great Lakes Energy 2183 N Water Rd, Hart 49420 | (231) 873-2155 |
| Pro Gas Propane 920 S State St, Hart 49420 | (231) 873-3182 |
| Heartland Propane Llc 5550 N Oceana Dr, Hart 49420 | (231) 873-0300 |