Douglas V. Krenz

Enbridge Energy Partners LP owns and operates a portfolio of crude oil transportation systems. The company was founded in 1991 and is headquartered in Houston, TX.

Enbridge Energy Management LLC engages in transporting, generating, and distribution of energy and operates crude oil and liquids transportation systems. It operates through the following segments: Liquids, and Natural Gas. The Liquids segment includes the operations of Lakehead, North Dakota, and Mid-Continent systems. The Natural Gas segment is comprised of natural gas, natural gas liquids gathering and transportation pipeline systems, natural gas processing and treating facilities, condensate stabilizers and an natural gas liquids fractionation facility, as well as trucking, rail, and liquids marketing operations. The company was founded on May 14, 2002 and is headquartered in Houston, TX.

Enbridge Energy Co., Inc. provides crude and natural gas transportation business services. The company was founded on October 30, 2001 and is headquartered in Houston, TX.

Part of Enbridge, Inc., Shell Gas Transmission LLC provides natural gas transportation services. The company is based in Houston, TX. Shell Gas Transmission was acquired by Enbridge, Inc. from The Shell Transport & Trading Co. Ltd. on February 01, 2005 for $613 million.

Aux Sable Canada LP operates as a midstream gas processing company. It owns the Heartland Offgas Plant (HOP) that processes offgas from Shell's Scotford refinery and produces a mixture of natural gas liquids (ethane and a propane-plus mix) methane and hydrogen. The company is headquartered in Calgary, Canada.