Tyson O. Seeliger

Xtreme Drilling Corp. engages in the provision of onshore drilling services in United States. Its activities include design, building, owning, and operation of a fleet of proprietary, high specification drilling rigs. The company was founded by Thomas D. Wood, Randolph M. Charron, and Kyle W. Swingle on May 24, 2005 and is headquartered in Calgary, Canada.

Trinidad Drilling Ltd. engages in the provision of contract drilling and related services. It operates through the following segments: United States and International Operations; Canadian Operations; Joint Venture Operations; and Corporate segments. The United States and International Operations segment includes technology operations. The Canadian Operations segment involves land drilling services. The Joint Venture Operations segment consists of US and international joint venture operations. The Corporate segment relates to all non-operating activities and acts as a support function to the other segments. The company was founded by Michael E. Heier on February 23, 1996 and is headquartered in Calgary, Canada.

National Oilwell, Inc., is a company which designs, manufactures and markets mechanical components for both land and offshore drilling rigs as well as land drilling and well servicing rigs. The company has it's headquarters in Houston, Texas. It is a subsidiary of National Oilwell Varco, Inc.