Tom Ambrose

Energy Technology Partners LLC (NGP Energy Technology Partners) is a private equity subsidiary of NGP Energy Capital Management LLC founded in 2005 by Philip Joseph Deutch. The firm is headquartered in Washington, DC.

Signum Instruments, Inc. provides open-hole formation evaluation tools and services to the oil and gas industry. It offers evaluation tools, with a particular emphasis on harsh and small-diameter environments for unconventional applications. The company was founded by Weidong Liu in 2014 and is headquartered in Houston, TX.

Zahroof Valves, Inc. develops, manufactures, and sells reciprocating compressor valves, unloaders, and associated products into the global compressor valve market. The company was founded by Zahroof Mohamed in 2010 and is headquartered in Houston, TX.

Viking Fishing & Oil Tools LLC (dba Viking Oil Tools) provideed oil and gas explorers with fishing, thru tubing and rental equipment and services. It offered rotating heads, sand control systems, casing exit solutions, hydraulic drilling jars, handling tools, activate drillers, external and internal catch fishing equipment. The company was founded by Wesley D. Heiskell in July 2012 and was headquartered in The Woodlands, TX.

Black Bay Energy Capital LLC (Black Bay Energy Capital) is a private equity firm founded in 2016 by Michael Lebourgeois, L. Guy Cook III, Tom Ambrose, Matt Schovee. The firm is headquartered in New Orleans, Louisiana.

Wellsite Fishing & Rental Services LLC provides rental equipment services for oil and gas industries. It offers equipment for drilling, work-over and coil tubing services to the domestic onshore oil and gas industry. The firm offers oilfield services, oilfield services, and specialty rentals. The company was founded by Kirby Arceneaux and Jessica Roger in 2013 and is headquartered in Broussard, LA.

ADS Services LLC manufactures pressure control equipment. The company is headquartered in Midland, TX.

Piñon Midstream LLC is an environmental sour gas infrastructure company based in Houston, TX. Piñon Midstream is focused on building a greenfield infrastructure solution to handle extreme sour gas in the northeastern region. The company's flagship project is the Dark Horse sour gas treating and carbon capture facility, which includes a state-of-the-art amine treating facility designed to treat any concentrations of carbon dioxide and hydrogen sulfide. The company was founded in 2020 by Steven Green and Justin Bennett, with Steven Green serving as the CEO since then.