John Clarke

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.

Founded in 1974, Simmons & Company International is an independent investment bank headquartered in Houston, Texas. The firm is a subsidiary of Piper Jaffray & Co. and their ultimate parent is Piper Jaffray Cos. (NYSE: PJC). Simmons & Co. specializes in the entire spectrum of the energy sector. They also provide services related to M&As and divestitures, public offerings, institutional research and sales and trading.

Cimarron Energy, Inc. manufactures oil and natural gas production and processing equipment. Its products include flares, gas production units, LACT units, line heaters, oil treating, sand separators, separation, storage tanks, interconnecting pipe skids, slug catchers, vapour recovery units and vapour recovery towers. The company was founded by John W. Moore Jr. in 1976 and is headquartered in Houston, TX.

Glori Energy Technology, Inc. provides oil recovery interface of biology, chemistry and engineering. It designs customized microbe and nutrient treatment systems, including Activated Environment for the Recover of Oil System for oil producers to install into existing production infrastructure to increase oil recovery. The company was founded by John A. Babcock, Suresh Kumar Soni and Rajendra Kumar Pachauri in 2005 and is headquartered in Houston, TX.

Harvest Natural Resources, Inc. is a petroleum exploration and production company, which engages in the business of acquiring, exploring, developing, and producing properties in geological basins with proven active hydrocarbon systems. It operates through the following geographical segments: Gabon, Indonesia, and the United States and Other. The company was founded on September 9, 1988 and is headquartered in Dallas, TX.

Part of The Williams Cos., Inc., Transco Energy Co. LLC is a private company that operates natural gas pipelines. The company is based in Houston, TX. Transco Energy Co. was acquired by The Williams Cos., Inc. on January 19, 1995 for $430.50 million.

SCF Partners LLC (SCF Partners) is a private equity subsidiary of SCF Partners, Inc. founded in 1989 by L.E. Simmons. The firm is headquartered in Houston, Texas.

Flare Industries LLC develops combustion and pollution control technology and equipment. Its products include enclosed combustion systems and gas compression and vapor recovery systems. The company was founded in 1984 and is headquartered in Austin, TX.

Turnbridge Capital LLC (Turnbridge Capital) is a private equity firm founded in 2008 by Todd M. Tomlin, Robert B. Horton and Kent Sweezey. The firm is headquartered in Dallas, Texas.

Pipe Pros LLC provides casing and tubing running services. It offers services for casing fill up tools, handling equipment, power tongs, torque monitoring systems, pick up, lay-down machines and tubing services for hydraulic tongs and chrome handling instruments. The firm provides tubing services to the oil and natural gas sectors. The company was founded by Gary Edwards in July 2009 and is headquartered in Corpus Christi, TX.

Aereon, Inc. engages in the provision of gas and vapor handling, combustion, and recovery technologies and services. Its brands include Flare Industries, Jordan Technologies, Mactronic, and Abutec - Advanced Burner Technologies. The company was founded in 2012 and is headquartered in Austin, TX.

Cimarron Energy Holdco, Inc. operates as a holding company. The company is headquartered in Dallas, TX.