Richard W. FitzGerald

Eagle Rock Energy Partners LP engages in the exploitation, development, and production of oil and natural gas properties. It provides ancillary gathering, compressing, treating, processing, and providing marketing services to its production of natural gas, natural gas liquids, condensate, and crude oil. The company was founded on May 25, 2006 and is headquartered in Houston, TX.

Probe Resources Ltd. is an oil and gas exploration, development, and marketing company with operations based in Houston and Texas. It is principally engaged in the exploration and production of oil and gas reserves in the Outer Continental Shelf in the Gulf of Mexico. The company was founded on November 15, 1988 and is headquartered in Vancouver, Canada.

HMT LLC provides aboveground storage tank solutions. The firm offers tank repair and maintenance, floating roof and seal repair, installation services, fabrication services, project management and turnkey, calibration services, and engineering services. The company was founded by Roger W. Thiltgen in 1978 and is headquartered in The Woodlands, TX.

Universal Compression, Inc. provides a full range of contract compression, sales, operations, maintenance and fabrication services to natural gas producers, gathering systems, pipelines, refineries and petrochemical operations. Universal Compression has operations in Latin America, Canada and the Asia Pacific region. It works as a wholly owned subsidiary of Universal Compression Holdings, Inc. It is located in Houston, TX.

NATCO Group, Inc. provides equipment technology for oil & gas production and processing. Its services include construction & maintenance, manufacturing, operating & leasing engineer equipment and training. The company also provides equipment solutions including oil treating, separation, gas conditioning, water quality, measurement systems and automation & controls. NATCO Group was founded in 1926 and is headquartered in Houston, TX.