EX-21 3 dex21.htm SUBSIDIARIES OF THE REGISTRANT Subsidiaries of the Registrant

Exhibit 21

 

SUBSIDIARIES OF THE REGISTRANT

 

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 %