| Business | Phone |
| Aera Energy 1800 School Canyon Rd, Ventura 93001 | (805) 648-8200 |
| Bentley-Simonson Inc 1536 Eastman Ave, Ventura 93003 | (805) 650-2794 |
| Lbth Inc 5574 Everglades St # B, Ventura 93003 | (805) 650-1811 |
| Nuevo Energy Co 5777 Pacific Coast Hwy, Ventura 93001 | (805) 643-7211 |
| Shoshone Oil Corp Ventura 93003 | (805) 658-0730 |
| Teg Oil Gas Usa Inc 21 S California St # 305, Ventura 93001 | (805) 652-7040 |
| Vintage Petroleum Inc 3055 Pacific Coast Hwy, Ventura 93001 | (805) 641-5566 |