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.