Mark K. Forbes

Probex Corp. is a technology-based renewable resource company that engages in the commercialization of its patented ProTerra(R) process. It invests the majority of its resources on research, development and commercialization of its patented ProTerra technology which has the ability to reprocess used lubricating oils, including used automotive engine oils, transmission fluids, gear lubes, diesel engine oils and hydraulic fluids that are no longer suitable for use or will no longer perform at their intended level, into at least three products that it intends to market to commercial and industrial customers

Lyondell Petrochemical LP, Inc. engages in the manufacture of basic organic chemicals. The company is headquartered in Wilmington, DE.

Enlink Midstream Manager LLC provides crude oil and gas exploration services. The company was founded on April 10, 2014 and is headquartered in Dallas, TX.

Part of Dow, Inc., Specified Fuels & Chemicals LLC is a company that supplies research and reference fuels to the automotive, fuel, and lubricant industries. The company is based in Houston, TX. The company was founded by Bob G. Gower. Specified Fuels & Chemicals was acquired by Ascot Holdings Plc (UK), part of Dow, Inc. from June 01, 2001 on March 13, 2000 for $23.50 million.

Motiva Enterprises LLC operates a refinery and distributes and markets fuel products. It refine and market gasoline and other petroleum products under the Shell brand across the country. The company was founded in 1998 and is headquartered in Houston, TX.

Carbon Nanotechnologies, Inc. manufactures carbon nano and bucky tubes. The company offers services to the academic research centers and small and large companies whose businesses depend on advanced materials. The company was founded in 2000 by Richard Smalley and is headquartered in Houston, TX.

Digi-Key Corp. distributes electronic components. It also distributes semiconductors, discrete, electromechanical parts. Its products include audio products, batteries, cable assemblies, capacitors, computer & video accessories, connectors, crystals & oscillators, discrete semiconductor products and many more. The company was founded by Ronald A. Stordahl in 1972 and is headquartered in Thief River Falls, MN.

Shell Oil Products Co. LLC produces and markets oil and natural gas. The firm refines, markets, and distributes crude oil and petroleum products. The company was founded in 1912 and is headquartered in Dallas, TX.

The National Petroleum Council operates as a council for national petroleum. The private company is based in Washington.

Young Presidents' Organization, Inc. is a global leadership community of over 30,000 chief executives from 142 countries. The non-profit company is based in Irving, TX and has a global presence of subsidiaries in several regions. The company's mission is to help its members become better leaders and better people. The company was founded in 1950 by Ray Hickok, Khalid Mohamed Jassem Kanoo. Thayer Smith has been the CEO of the company since 2007.

Part of EnLink Midstream LLC, EnLink Midstream GP LLC explores for oil and gas and also provides oil pipeline transportation services. The company is based in Dallas, TX. Barry E. Davis has been the CEO of the company since 2002.

The Dallas Petroleum Club operates petroleum clubs. The private company is based in Dallas, TX.

Shell Deer Park Refining Co. is a joint venture company that manufactures oil refineries. The company is based in Deer Park, TX.

The Natural Gas & Electric Power Society provides gas and power distribution services. The company is headquartered in Dallas, TX.

Part of BP Plc, Atlantic Richfield Corp. provides logging services.

Leadership Network, Inc. provides collaborative services for pastors and churches.

HollyFrontier Corp. is an independent petroleum refiner and marketer. It specializes in gasoline, diesel fuel, jet fuel, and modified asphalt. The firm operates through the following segments: Refining, Lubricants and Specialty Products, and Holly Energy Partners LP (HEP). The Refining segment includes the operations in its El Dorado, Tulsa, Navajo, Cheyenne, and Woods Cross Refineries. The Lubricants and Specialty Products segment offers base oil production activities, by-product sales to third parties, and intra-segment base oil sales, which includes the purchase of base oils and the blending, packaging, marketing and distribution, and sales of finished lubricants and specialty products to third parties. The HEP segment relates to all of the operations of HEP. The company was founded in 1947 and is headquartered in Dallas, TX.

Part of Enterprise Products Partners LP, OTA Holdings, Inc. operates as a holding company with interests in bulk terminals. The company is based in Houston, TX. Laurie H. Argo has been the CEO of the company since 2014.

Part of Enterprise Products Partners LP, OTLP GP LLC is a German company that engages in terminaling, storage and transportation of crude oil, refined petroleum products, and liquefied petroleum gas. The company is based in Hamburg, Germany.

Coronado Midstream LLC produces and sells natural gas and natural gas liquids. The firm also acquires, develops, operates, and constructs gas gathering and processing plants and related facilities. The company was founded in September 2008 and is headquartered in Dallas, TX.

Part of EnLink Midstream LLC, EnLink Midstream, Inc. provides investment services. The company is based in Dallas, TX.

Victoria Express Pipeline LLC engages in construction of crude petroleum pipelines. The company was founded on May 7, 2014 and is headquartered in Dallas, TX.

EnLink Delaware Crude Pipeline LLC engages in the production of oil and gas. The company is headquartered in Dallas, TX.