| Business | Phone |
| Har-Ken Agent 2101 Highway 81, Owensboro 42301 | (270) 926-2274 |
| Har-Ken Agent Ok 3110 Fairview Dr, Owensboro 42303 | (270) 684-3399 |
| Horizonal Technology 1001 Frederica St, Owensboro 42301 | (270) 684-2424 |
| Kentucky Resources Dev Corp 920 Frederica St # 300, Owensboro 42301 | (270) 684-2424 |
| Keyana Co 700 Carlton Dr, Owensboro 42303 | (270) 926-9063 |
| Magnum Oil 2007 Lexington Ave, Owensboro 42301 | (270) 684-4002 |
| Sargent Oil & Gas Inc 3520 New Hartford Rd, Owensboro 42303 | (270) 683-6007 |
| Advanced Imaging & Exploration 529 Bark Cv, Owensboro 42303 | (270) 684-1722 |