| Company | CIK | Ticker Symbol | Document |
|---|---|---|---|
| Petroleum Supply Co | 1517370 | 305B2[html] | |
| Preston County Gas Gathering, L.L.C. | 1517369 | 305B2[html] | |
| Superior Appalachian Pipeline, L.L.C. | 1517173 | 305B2[html] | |
| Superior Pipeline Company, L.L.C. | 1517153 | 305B2[html] | |
| Superior Pipeline Texas, L.L.C. | 1517174 | 305B2[html] | |
| UNIT CORP | 798949 | NYSE:UNT | 305B2[html] |
| UNIT DRILLING & EXPLORATION CO | 310405 | 305B2[html] | |
| Unit Drilling Co | 1517151 | 305B2[html] | |
| Unit Drilling Columbia, L.L.C. | 1517368 | 305B2[html] | |
| Unit Drilling USA Columbia, L.L.C. | 1517367 | 305B2[html] | |
| Unit Petroleum Co | 1517152 | 305B2[html] | |
| Unit Texas Co | 1517371 | 305B2[html] | |
| Unit Texas Drilling, L.L.C. | 1517172 | 305B2[html] |