| Business | Phone |
| Arrowhead Energy Inc 3501 Nw 63rd St # 101, Oklahoma City 73116 | (405) 848-5777 |
| Greenwood Energy 6801 Broadway Ext # 101, Oklahoma City 73116 | (405) 848-4716 |
| Omar B Milligan Enterprises 2301 W I 44 Service Rd, Oklahoma City 73112 | (405) 525-0057 |
| Shiloh Oil Corp 9520 N May Ave # 310, Oklahoma City 73120 | (405) 755-8186 |