Steven Stein

Purdy & Partners, Inc. invests oil and gas exploration and production, specialized materials, manufacturing and supply, power and transmission, completion and production services. The company was founded by Dean S. Swanberg, Robert E. Purdy and Tim J. O'Rourke and is headquartered in Calgary, Canada.

Black Diamond Income Fund is an unincorporated open ended investment trust governed by the laws of the Province of Alberta. The principal undertaking of the Fund, through its indirect wholly-owned subsidiary, Black Diamond Limited Partnership, is to rent modular structures for use as workforce accommodation and temporary workspace, and to provide complementary services, including transportation, installation, dismantling, repair and maintenance of modular structures, as well as related services through three operating divisions consisting of Black Diamond Camps, BOXX Modular and Black Diamond Site Services.

Part of Carillion Plc, 491313 B.C. Ltd. provides camp catering and management services. The company is based in Edmonton, Canada. The Canadian company was founded by Steven Stein, Simon Landy. 491313 B.C. was acquired by Carillion Plc on May 29, 2015 for $96.33 million.

Black Diamond Group, Inc. provides asphalt paving contracting services. The private company is based in Oak Creek, WI. The CEO of the company is Robert Rothman.