David J. Tonner

Project Management Institute, Inc. provides project management services. Its advance careers improve organizational success and further mature the profession of project management through globally recognized standards, certifications, resources, tools, academic research, publications, professional development courses and networking opportunities. The company was founded by James Snyder, Eric Jenett, Gordon Davis, E. A. Engman and Susan C. Gallagher in 1969 and is headquartered in Philadelphia, PA.

Genesis Park Management LLC (Genesis Park) is a venture capital firm founded in 1999 by Paul William Hobby, Neil E. Kelley and Peter T. Shaper. The firm is headquartered in the Houston, Texas.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Lightwerks Communication Systems, Inc. provides audio and video equipment integration and installation. It offers their services to customers in the corporate, government and educational sectors. The company services also encompass design and engineering, project management and documentation. The company was founded John Godbout in 1991 and is based in Scottsdale, AZ.

Rock Hill Capital Group, LLC (Rock Hill Capital) is a private equity firm founded in 2007 by Randall B Hale. The firm is headquartered in Houston, Texas.

Boring & Tunneling Co. of America LLC provides heavy underground construction services. It specializes in boring and tunneling construction and trenchless technology consulting and contracting services. The firm provides trenchless construction under roadways, railroads, waterways and buildings. It offers underground construction of tunnels, drainages, pipelines, shafts, fiber optics, grouting and pipe ramming and wood box tunneling services. The company was founded by Gilbert Manly Turner in 1948 and is headquartered in Houston, TX.

Core International LLC engages in the design, production, and distribution of engineered rubber products through its subsidiaries. Its products include oilfield rubber products, tank car gaskets, offshore marine defender systems, drilling elastomer, kam gaskets, shock cell, and rub strip. The company was founded by Cody W. Johnson in 1999 and is headquartered in Houston, TX.

Stratagraph, Inc. provides mud logging and pressure detection services. It offers engineering, geo pressure, horizontal, and measured depth log, FID chromatograph, hydrocarbon analyzer, and geo steering. The company was founded by Billy J. Hagan in 1961 and is headquartered in Scott, LA.

Park Energy Services LLC engages in the provision of horsepower compressor units used in the oil and gas industry. Its compressor applications include artificial lift and vapor recovery. The company was founded by Jonathan Warren and Jonathan Mitchell in February 2014 and is headquartered in Oklahoma City, OK.

JP Hydro LLC provides pressure testing and pipeline maintenance services for the oil and gas industry. It also offers hydrostatic pressure testing, pipeline cleaning, pipeline integrity and maintenance, and midstream services. The company was founded by Justin Peter in 2011 and is headquartered in Houston, TX.

Big City Access, Inc. engages in provision of scaffolding and access equipment services. It offers suspended scaffolds, supported scaffolds, trash chutes, and safety equipment. The company was founded by Barbara Roberts in 2002 and is headquartered in Houston, TX.

U.S. Industrial Holdings LLC provides civil construction services. Its services include industrial, marine, site development, highway streets and bridges, material sales and trucking, disaster relief/debris clearing and disposal and hydro excavation. The company is headquartered in Lafayette, LA.

Ace Gathering Holdings LLC provides gathering and reclamation services. Its services include crude gathering, oil marketing and refinery. The company was founded in 2014 and is headquartered in Katy, TX.