Michael L. Spears

Part of Occidental Petroleum Corp., Union Pacific Resources, Inc. is a company that is involved in railroads, gas, and oil production. The company is based in Bethlehem, PA.

Duke Energy Field Services (DEFS) is a midstream energy company that gathers, treats, compresses, processes, transports, markets, and stores natural gas and produces, fractionates, transports, trades, and markets natural gas liquids (NGLs). It is located in Denver, CO.

Energy Transfer Partners LLC provides distribution of natural gas. The company is headquartered in Dallas, TX.

Part of Chevron Corp., Rosetta Resources Operating LP sells natural gas. The company is based in Houston, TX.

Howard Midstream Energy Partners LLC owns and operates natural gas pipelines. The firm also offers gathering, treating and compression, processing, marketing, stabilization, and rail, terminals, and storage services. The company was founded by Brad Bynum and J. Michael Howard in 2011 and is headquartered in San Antonio, TX.