| Business | Phone |
| Bp America Government Affairs 4334 Nw Expressway St, Oklahoma City 73116 | (405) 848-0472 |
| Jay P Gumm 2300 N Lincoln Blvd, Oklahoma City 73105 | (580) 924-2221 |
| Milner Group 6520 N Western Ave # 202, Oklahoma City 73116 | (405) 767-9080 |
| Public Issue Advisers Inc 205 Nw 63rd St # 140, Oklahoma City 73116 | (405) 810-1819 |