| Amoco Production | 517-663-1728 | 11665 Kinneville Rd | Eaton Rapids | MI | 48827 |
| Arrow Oil Field Service | 517-732-0735 | 10915 Hetherton Rd | Johannesburg | MI | 49751 |
| Bailer & Deshaw Oil | 517-684-3610 | 204 Old Kawkawlin Rd | Bay City | MI | 48706 |
| Bay Petroleum Ofc | 517-485-2285 | 419 Spring St | Lansing | MI | 48912 |
| Bay Pipe Line Co | 517-773-9978 | 1300 N Fancher St | Mount Pleasant | MI | 48858 |
| Beckman Production Service | 517-732-9341 | M-32 East | Gaylord | MI | 49735 |
| C P I Engineering Services Inc | 517-624-5051 | PO Box 154 | Burt | MI | 48417 |
| Cement Bond Co | 517-772-2471 | 5963 Venture Way | Mount Pleasant | MI | 48858 |
| Chemical Technologies Inc | 517-782-8262 | 1610 Clara St | Jackson | MI | 49203 |
| D C Welding Company | 517-629-7310 | 1265 Finley Rd | Albion | MI | 49224 |
| Dean C | 517-654-3319 | 227 Dean Rd | Sterling | MI | 48659 |
| Dorel Inc | 517-539-2021 | 7618 N Clare Ave | Harrison | MI | 48625 |
| Elek Oil | 517-686-6286 | 350 River Dr | Bay City | MI | 48706 |
| J O Well Service & Testing Inc | 517-772-4221 | 6821 Lea Pick Dr | Mount Pleasant | MI | 48858 |
| Jones Faymond M | 517-832-8071 | 172 N 11 Mile Rd | Midland | MI | 48640 |
| Jones H W & Son Inc | 517-676-5031 | 2377 E Kipp Rd | Mason | MI | 48854 |
| Long Jack Sr Oil Producrs | 517-842-3782 | 1812 W Kent Rd | Breckenridge | MI | 48615 |
| Marathon Oil Co Production | 517-549-8121 | 1231 E Mosherville Rd | Jonesville | MI | 49250 |
| Marathon Oil Gasoline Plant | 517-549-8131 | 1231 E Mosherville Rd | Jonesville | MI | 49250 |
| Mc Clure Oil Co | 517-463-1141 | 1080 Bridge Ave | Alma | MI | 48801 |
| Mcclure Allen Oil Well Services | 517-549-8437 | 13300 Goose Lake Rd | Mosherville | MI | 49258 |
| Mcconnell & Scully Oil Well Service Ofc | 517-568-4104 | 26761 L Dr S | Homer | MI | 49245 |
| Mcconnell & Scully Oil Well Service Shop | 517-568-4106 | 28338 E M 60 | Homer | MI | 49245 |
| Michigan Oil & Gas Brokerage S | 517-349-4044 | 2157 Commons Pky | Okemos | MI | 48864 |
| Mid Atlantic Oil Co | 517-439-9337 | 61 N Howell St | Hillsdale | MI | 49242 |
| Mid-American Inspection Services | 517-732-8059 | 1252 W M 32 | Gaylord | MI | 49735 |
| Muskegon Development Co | 517-772-4900 | 1425 S Mission St | Mount Pleasant | MI | 48858 |
| Nase Field Services | 517-592-6659 | 114 Hawthorne Dr | Brooklyn | MI | 49230 |
| Neeb Corp | 517-667-0441 | 800 Marquette St | Bay City | MI | 48706 |
| Northern Energy Inc | 517-732-5495 | 231 S Indiana Ave | Gaylord | MI | 49735 |
| Northern Energy Inc | 517-732-7696 | 231 S Indiana Ave | Gaylord | MI | 49735 |
| Northern Tank Truck Service | 517-732-7531 | 10664 Passenheim Hill Rd | Gaylord | MI | 49735 |
| Operating Services | 517-349-6113 | 2333 Jolly Rd | Okemos | MI | 48864 |
| Oryx Energy | 517-685-3446 | Hughes Lake Rd | Rose City | MI | 48654 |
| Palmer W C | 517-629-4249 | 101-1/2 N Superior St | Albion | MI | 49224 |
| Perry C A And Son Inc | 517-849-9927 | 1196 E Chicago Rd | Jonesville | MI | 49250 |
| Petco Petroleum Corp | 517-524-6170 | 15240 Howard Rd | Concord | MI | 49237 |
| Rayburn Oil Co | 517-846-4616 | 321 Main St | Standish | MI | 48658 |
| Sappington Crude Oil | 517-345-1052 | 123 N 6th St | West Branch | MI | 48661 |
| Schluckebier Oil & Propane | 517-652-9821 | 4990 Frank Rd | Frankenmuth | MI | 48734 |
| Schlumberger Well Services | 517-372-5170 | 300 Washington Sq S | Lansing | MI | 48933 |
| Seiler Tank And Truck Svc | 517-629-4810 | 26791 W Michigan Ave | Albion | MI | 49224 |
| Seiler Tank Truck Service | 517-386-3157 | 8697 N Mission Rd | Clare | MI | 48617 |
| Stoney Point Tank Truck Service | 517-563-8528 | 9997 Wooden Rd | Hanover | MI | 49241 |
| Summit Petroleum Corp | 517-433-5716 | 4147 E Monroe | Rosebush | MI | 48878 |
| Swan George S Ofc | 517-799-8350 | 5090 State St | Saginaw | MI | 48603 |
| Total Petroleum Inc | 517-684-3471 | 3995 Mackinaw Rd | Bay City | MI | 48706 |
| Trolz Glynn & Associates Inc | 517-764-0700 | 3460 Ann Arbor Rd | Jackson | MI | 49202 |
| Union Oil Company Of California | 517-348-8459 | 8892 W 7 Mile Rd | Grayling | MI | 49738 |
| Union Oil Company Of California | 517-842-3054 | 2210 W Pine River Rd | Breckenridge | MI | 48615 |
| Watkins Oil Co | 517-437-2845 | 120 W Fayette St | Hillsdale | MI | 49242 |
| Wiser Oil Co | 517-426-7794 | 657 W Mckimmey Rd | Gladwin | MI | 48624 |
| Wolverine Oil & Supply Co | 517-426-8900 | 786 Point Rd | Gladwin | MI | 48624 |
| Wood Oil | 517-772-3475 | 123 E Broadway St | Mount Pleasant | MI | 48858 |
