| Alumni Petroleum & Resource Management Corp | 616-946-0350 | 3491 Hartman Rd | Traverse City | MI | 49684 |
| Ams/Oil Synthetic Lubricants Dealer | 616-759-0810 | 3080 W Sherman Blvd | Muskegon | MI | 49441 |
| Aztec Producing Co Inc | 616-361-1137 | 5241 Plainfield Ave NE | Grand Rapids | MI | 49505 |
| B & L Hotshot | 616-922-7700 | 1205 Peninsula Dr | Traverse City | MI | 49686 |
| C & S Hogerheide Trucking Inc | 616-369-2801 | 4785 US 131 SW | South Boardman | MI | 49680 |
| Center Junction Corp | 616-699-7743 | 20191 Calvin Hill St | Cassopolis | MI | 49031 |
| Chemical Management Services Inc | 616-342-8719 | 1418 Ravine Rd | Kalamazoo | MI | 49004 |
| Cook Bros | 616-754-7149 | 225 N Lafayette St | Greenville | MI | 48838 |
| D & W Flow Testing Inc | 616-258-4926 | 2201 US Highway 131 | Kalkaska | MI | 49646 |
| Diamond Oil Distributors | 616-343-0594 | 4875 Starr St SE | Grand Rapids | MI | 49546 |
| Dynamic Development Inc | 616-723-8318 | 314 Parkdale Ave | Manistee | MI | 49660 |
| Elder Well Service Inc | 616-258-2588 | 403 Pine | Kalkaska | MI | 49646 |
| Emro Marketing | 616-530-0636 | 815 52nd St SE | Kentwood | MI | 49508 |
| Energy Acquistition Inc | 616-889-4779 | 5122 Main St | Onekama | MI | 49675 |
| Farrier Surveying | 616-258-8162 | 244 S Cedar St | Kalkaska | MI | 49646 |
| Goodale Enterprises | 616-453-7690 | 0-21 Fennessy Rd | Grand Rapids | MI | 49504 |
| Goodale Enterprises | 616-792-9209 | 3111 10th St | Wayland | MI | 49348 |
| Goodale Enterprises Gas Plant | 616-792-9483 | 924 132nd Ave | Wayland | MI | 49348 |
| Great Lakes Lubricants | 616-329-1269 | 3960 Arbutus Trl | Kalamazoo | MI | 49002 |
| Halliburton Energy Services | 616-258-9163 | 7815 US 131ne | Kalkaska | MI | 49646 |
| Halliburton Logging Services | 616-947-0667 | 4347 Weatherby Ln | Traverse City | MI | 49684 |
| J & H Oil Co Warehouse | 616-245-1114 | 1619 Chicago Dr SW | Grand Rapids | MI | 49509 |
| Johnson A J | 616-964-9403 | 12200 Michigan Ave E | Battle Creek | MI | 49017 |
| Kep Energy Resources | 616-946-1931 | 250 E Front St | Traverse City | MI | 49684 |
| Lubricants U S Inc | 616-344-6363 | 2002 Lane Blvd | Kalamazoo | MI | 49001 |
| Mack John W | 616-941-8420 | 808 Hastings St | Traverse City | MI | 49686 |
| Mosbacher Energy Co | 616-941-0603 | 10850 E Traverse Hwy | Traverse City | MI | 49684 |
| Oil Field Tools Inc | 616-947-7473 | 226 E 16th St | Traverse City | MI | 49684 |
| Omimex Energy Inc | 616-965-8355 | 20990 12 Mile Rd | Battle Creek | MI | 49017 |
| Oryx Energy Company Prod Ofc | 616-229-4235 | 11576 E Oil Well Rd | Lake City | MI | 49651 |
| Peninsular Oil & Gas Co | 616-676-2090 | 555 Ada Dr SE | Ada | MI | 49301 |
| Swan Oil Co | 616-927-2453 | 500 Paw Paw Ave | Benton Harbor | MI | 49022 |
| Synthetic Lubricants Inc | 616-754-1050 | 1411 Callaghan St | Greenville | MI | 48838 |
| Terra Energy Ltd | 616-941-7919 | 1503 Garfield Rdn | Traverse City | MI | 49686 |
| Wells Petroleum Production Services | 616-587-8900 | 6703 Birch Drne | Kalkaska | MI | 49646 |
| Welltech Inc | 616-258-2091 | 209 W Park Dr | Kalkaska | MI | 49646 |
| Westgate Oil Co | 616-798-3577 | 6430 Schamber Dr | Spring Lake | MI | 49444 |
| Zephyr Inc | 616-744-1631 | 1222 Holton Rd | Muskegon | MI | 49445 |
