Clay Williams

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

Ameron International Corp. is a manufactures engineered products and materials for the chemical, industrial, energy, transportation and infrastructure markets. It produces water transmission lines: fiberglass-composite pipe for transporting oil, chemicals and corrosive fluids and specialized materials and products used in infrastructure projects, such as poles, construction materials and wind towers. The company was founded in 1907 and is headquartered in Houston, TX.

Crestwood Equity Partners LP engages in investment and management of energy midstream assets. It operates through the following segments: Gathering and Processing, Storage and Transportation, and Marketing, Supply, and Logistics. The Gathering and Processing segment provides gathering and transportation services, processing, treating, and compression services, and disposal services to producers in unconventional shale plays and tight-gas plays. The Storage and Transportation segment includes COLT Hub and equity investments in three joint ventures. The Marketing, Supply, and Logistics segment consists of natural gas liquids, crude oil, and natural gas marketing and logistics operations. The company was founded in March 2001 and is headquartered in Houston, TX.

Tuboscope Vetco International Corp. was a supplier of technical services and engineered products to the oil and gas drilling, completion, production and transmission industries worldwide. It was operates through four main product lines in the oil and gas industry segment. It's product lines are: Tubular Services, Solid Control Products & Services, Coiled Tubing & Pressure Control Products and Pipeline & Other Industrial Services. Tuboscope Vetco International was located in Houston, TX.

Conner Steel Products, Inc. manufactures steel and fiberglass products. The company was founded in 1992 and is headquartered in Dallas, Hongkong.

Spindletop Charities, Inc. promotes goodwill and fellowship within the oil and gas industry while benefiting children in need. It offers programs targeting child abuse prevention, pediatric medical research, drug and alcohol abuse prevention and rehabilitation, education and scholarships, school safety, therapeutic services and after-school programs, and family health. The company was founded by Loy D. Griffin in 1966 and is headquartered in Houston, TX.

Part of Energy Transfer LP, Crestwood Equity GP LLC is a private company that operates as a general partner. The company is based in Wilmington, DE. Robert G. Phillips has been the CEO of the company since 2013. Crestwood Equity GP was acquired by Crestwood Holdings LLC on June 19, 2013 for $80 million.