Jeffrey R. Pendergraft

Energy Ventures Group LLC (EVG) is a venture capital firm founded in 2000 by Andrew D. Weissman. The firm is headquartered in Washington.

Blast Energy Services, Inc. is a oil and gas producing company engaged in the exploration and production of petroleum resources in the United States and also the development and commercialization of a patented applied fluid jetting down-hole stimulation technology. It operates through two reportable segments: Oil and Gas Producing Properties and Down-hole Solutions. The company was founded in September 2000 and is headquartered in Houston, TX.

HNNG Development LLC develops technology for removal of nitrogen from natural gas. The company was founded in November 2014 and is headquartered in Frisco, TX.

Lyondell Chemical Co. manufactures and distributes chemicals & plastics, produces fuel products, and refines heavy & high-sulfur crude oil. The company operates in four segments: Ethylene Co-Products and Derivatives, Propylene Oxide & Related Products, Refining, and Inorganic Chemicals. The company's products are used in the clothing, food packaging, household furnishings, automotive parts, construction, home-building materials, paints, and coating industries. The company was founded in 1985 and is headquartered in Houston, TX.