| Allied Erectors Inc | 502-585-5839 | 503 Franklin St | Louisville | KY | 40202 |
| B & J Oil Company | 502-932-6200 | Hidden Valley | Greensburg | KY | 42743 |
| Best Royalties Inc | 502-764-1941 | 800 Highway 279 N | Owensboro | KY | 42301 |
| Blue Flame Energy Corp | 502-781-9911 | 188 Cal Batsel Rd | Bowling Green | KY | 42104 |
| Blueridge Well Service | 502-384-6745 | 1221 Burkesville Rd | Columbia | KY | 42728 |
| Boss Cementing | 502-826-7401 | 670 US Highway 41 S | Henderson | KY | 42420 |
| Bredar James A Geolgst | 502-926-3193 | 2334 Frederica St | Owensboro | KY | 42301 |
| Bretagne Gp | 502-826-7400 | 670 US Highway 41 S | Henderson | KY | 42420 |
| Bullock Oil Co Inc | 502-589-6200 | Hwy 153 & 1-71 Pendleton | Louisville | KY | 40298 |
| Caci Field Services Inc | 502-968-1418 | 100 High Rise Dr | Louisville | KY | 40213 |
| Coomer Travis Drilling | 502-384-6461 | 1221 Burkesville Rd | Columbia | KY | 42728 |
| Country Corner Oil Co | 502-389-0009 | Highway 56 E | Morganfield | KY | 42437 |
| Custom Fuel | 502-677-2831 | Riverside Dr | Columbus | KY | 42032 |
| Cvc Machine & Tool Works | 502-683-2925 | 801 Leitchfield Rd | Owensboro | KY | 42303 |
| Dome Development Co | 502-526-2157 | 5510 Caneyville Rd | Morgantown | KY | 42261 |
| Dowell Schlumberger | 502-831-2097 | 918 Village Dr | Henderson | KY | 42420 |
| Frost Larry Oil Well Service | 502-866-4014 | 58 Voils Cir | Russell Springs | KY | 42642 |
| Geigo Co | 502-389-2063 | Highway 359 | Morganfield | KY | 42437 |
| Geigo Co | 502-389-3158 | Highway 359 | Morganfield | KY | 42437 |
| Glenn Enterprises | 502-685-0999 | 2209 Calhoun Rd | Owensboro | KY | 42301 |
| Gough Bill Tank Truck Service | 502-389-2060 | Highway 359 | Morganfield | KY | 42437 |
| Har-Ken Oil Co | 502-926-4656 | 2101 Calhoun Rd | Owensboro | KY | 42301 |
| Indiana Drilling Inc | 502-827-2169 | 901 US Highway 41 S | Henderson | KY | 42420 |
| Jarvis Drilling Inc | 502-521-6908 | 4600 Pleasant Valley Rd | Henderson | KY | 42420 |
| Jarvis Drilling Inc | 502-781-7505 | 320 New Porter Pike Rd # A | Bowling Green | KY | 42103 |
| Kelcas Well Service Ltd | 502-683-1322 | 2130 E4th St | Owensboro | KY | 42303 |
| Key Oil Co | 502-886-1922 | 206 E 25th St | Hopkinsville | KY | 42240 |
| Klc Petroleum Company | 502-826-6587 | 9787 Gregory Rd | Henderson | KY | 42420 |
| Petty's Oil Field Supply | 502-378-6175 | 5824 Burkesville Rd | Columbia | KY | 42728 |
| Pride Endgineering Inc | 502-651-8311 | 402 Samson St | Glasgow | KY | 42141 |
| Roseclare Oil Co | 502-389-0911 | Highway 360 | Morganfield | KY | 42437 |
| Schwartz Drilling Fluids Inc | 502-827-4921 | 841 3rd St | Henderson | KY | 42420 |
| Southern Well Survey | 502-826-2495 | 3345 State Route 1299 | Henderson | KY | 42420 |
| Tamarack Petroleum Inc | 502-826-9396 | 1775 S Green St | Henderson | KY | 42420 |
| Tom & Jerry Oil Co | 502-533-6011 | House Bridge Rd | Henderson | KY | 42406 |
| Vest Consulting Se | 502-827-8456 | 230 2nd St | Henderson | KY | 42420 |
| Wema Natural Resources | 502-277-6714 | 8930 Greenville Rd | Elkton | KY | 42220 |
| Western States Operating Co Oil Prodcr | 502-826-4476 | 670 US Highway 41a | Henderson | KY | 42420 |
| Wilco Energy Corp | 502-789-2910 | 1306 Bambridge Ln | Campbellsville | KY | 42718 |
| Wiser Oil Co The | 502-322-9223 | 1295 Mcelvain Rd | Hanson | KY | 42413 |
| Zogg Oil Co | 502-683-6425 | 4771 Millers Mill Rd | Owensboro | KY | 42303 |
