| Business | Phone |
| Aquila 1815 Capitol Ave, Omaha 68102 | (402) 221-2000 |
| B P Canada Energy Mktng Corp 4211 S 143rd St, Omaha 68137 | (402) 505-8800 |
| Tenaska Marketing Ventures 11718 Nicholas St, Omaha 68154 | (402) 758-6100 |
| Marjay Inc 4205 S 94th St, Omaha 68127 | (402) 593-0037 |
| Northern Natural Gas Co 8934 J St, Omaha 68127 | (402) 592-3326 |
| Great Plains Natural Gas 8401 W Dodge Rd, Omaha 68114 | (402) 399-1228 |