EX-21 2 unt-20181231x10kxexx21.htm Document

Exhibit 21


All the companies listed below are included in the company's 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, 2018 and excludes subsidiaries which are primarily inactive or taken singly, or as a group, do not constitute significant subsidiaries:

State or ProvincePercentage
Subsidiaryof IncorporationOwned
Unit Drilling CompanyOklahoma100%  
Unit Petroleum CompanyOklahoma100%  
Superior Pipeline Company, L.L.C.Oklahoma50%