A. Hanlon

Canwest Propane Partnership produces industrial propane. The company is headquartered in Calgary, Canada.

Palko Environmental Ltd. provides waste management and resource recovery solutions to the oil and gas industry. It provides processing and disposal of oil field and industrial wastes through its network of waste handling and hydrocarbon recovery facilities located across Alberta and Saskatchewan. The firm offers processing and disposal of oilfield wastes, custom treating and reclaiming of crude oil also supports all aspects and stages of oil and gas exploration and production which includes drilling, fracturing, completion, production, subsequent abandonment and reclamation. The company was founded in 2006 and is headquartered in Calgary, Canada.

Hammerhead Resources, Inc. engages in the exploration and production of oil and gas industries. The firm focuses on onshore oil and gas operations. It also engages in the production of light-to-medium liquids. The company was founded in 2009 and is headquartered in Calgary, Canada.

Gibson Energy ULC develops, implements and supports midstream solutions for the oil and gas industry. The firm's operations include the transportation, storage, blending, processing, marketing and distribution of crude oil, liquids and refined products. It also provide oilfield waste and water management services. The company was founded on October 14, 2008 and is headquartered in Calgary, Canada.