Dean Swanberg

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.

Swanberg International Ltd. operates as a transportation and logistics company. It offers logistics, rig relocation, remote location access and project management services. The company was founded in 1930 and is headquartered in Houston, TX.

Zedcor Oilfield Rentals Ltd. provides oil and gas services. The firm specialized in wellsite accommodations, light towers, tanks, generators, rig mats, trucking. The company is headquartered in Acheson, Canada.

Safebrain Systems, Inc. engages in the development of impact sensors and software for athletics. Its product, Cranium Impact Analyzer Sensor, is mounted on the helmet of an athlete which contains data-logger and real-time clock to provide time stamped force reading when used with the SafeBrain software. The company was founded on November 18, 2003 and is headquartered in Saskatoon, Canada.

Part of Mullen Group Ltd., Swanberg Brothers Trucking Ltd. provides oil and gas transportation, storage, and warehousing services. The company is based in Grande Prairie, Canada. Swanberg Brothers Trucking was acquired by Producers Oilfield Services, Inc. on April 29, 2005.