Walter Phillip Marcum

PowerSecure International, Inc. engages in the business of providing energy technologies and services to electric utilities and large industrial, commercial, institutional and municipal customers. It provides products and services through four reporting segments: distributed generation, solar energy, utility infrastructure, and energy efficiency. The company was founded by Sidney Hinton on April 5, 1991 and is headquartered in Wake Forest, NC.

ADA-ES, Inc. provides environmental technologies and specialty chemicals. The company was founded in 1997 and is headquartered in Highlands Ranch, CO.

PNG Ventures, Inc. is a developmental stage company and operates through the subsidiaries. The company's business strategy is to capitalize on the consumption of natural gas, and in particular LNG. The company was founded in 1995 and is headquartered in Dallas, TX.

Asheville, Inc. is based in Asheville, NC. Part of Eurofins Scientific SE, Asheville, Inc. is a company that operates water and waste-water treatment facilities. Asheville was acquired by Culligan International Co. on January 19, 1996 for $3 million.

Lilis Energy, Inc. operates as an independent oil and gas company, which engages in the exploration, development, production, and acquisition of oil, natural gas, and liquids. Its operations focuses on the Delaware Basin of the Permian in Winkler, Loving & Reeves Counties, Texas & Lea County, and New Mexico. The company was founded in August 2007 and is headquartered in Houston, TX.

Applied Natural Gas Fuels, Inc. produces, distributes and sells liquefied natural gas. It sells its products to transportation, industrial, and municipal markets in the western United States and northern Mexico. The firm offers turn-key fuel solutions to its customers that include delivery of clean LNG fuel, equipment storage, fuel dispensing equipment and fuel loading facilities. The company was founded in 1995 and is headquartered in Westlake Village, CA.