Attached files
Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
All the companies listed below are included in the companys consolidated financial statements. Except as otherwise indicated below, the Company has 100% direct or indirect ownership of, and ultimate voting control in, each of these companies. The list is as of December 31, 2009 and excludes subsidiaries which are primarily inactive or taken singly, or as a group, do not constitute significant subsidiaries:
Subsidiary |
State or Province of Incorporation | Percentage Owned | ||
Unit Drilling Company |
Oklahoma | 100% | ||
Unit Petroleum Company |
Oklahoma | 100% | ||
Superior Pipeline Company, L.L.C. |
Oklahoma | 100% | ||
Unit Texas Drilling Company L.L.C. |
Oklahoma | 100% (indirectly) |