Ted Pettijohn

Union Carbide Corp. engages in the production of chemicals and polymers. The firm operates through the following geographical segments: United States, Asia Pacific and Rest of the World. Its products include polyethylene and polypropylene, ethylene glycol, isopropanol, ethyleneamines, biocides, surfactants, deicing and anti-icing fluids, amines, solution vinyl resins and polyethylene glycols. The company was founded on November 1, 1917 and is headquartered in Seadrift, TX.

SABIC Americas LLC is a company that manufactures and wholesales basic and intermediate chemicals and fertilizer products. The company is based in Houston, TX. The company is ultimately controlled by the Government of Saudi Arabia.

SemMaterials LP provides and manufactures polymer modified asphalts and asphalt emulsions. The company was founded in 2005 and is headquartered in Tulsa, OK.

Part of Koch Industries, Inc., Koch Materials Co. develops and markets advanced paving systems and high-quality products to meet unique and demanding paving needs.

Part of NGL Energy Partners LP, NGL Energy Holdings LLC functions as an investment holding company. The company is based in Tulsa, OK. H. Michael Krimbill has been the CEO of the company since 2010.

SemStream LP provides propane and other energy products. The company operates 7 propane terminals and provides software and hardware support. SemStream is headquartered in Tulsa, OK.

Part of Energy Transfer LP, SemGas LP is a company that provides natural gas gathering, processing, and storage services. The company is based in Tulsa, OK.

CEBA Midstream LP provides oil and gasfield services. Its activities include gathering, processing and disposing of saltwater produced alongside oil and natural gas. The company was founded in 2014 and is headquartered in Oklahoma City, OK.

Part of CEBA Midstream LP, Sandridge Midcon Midstream GP, LLC provides investment services. James D. Bennett has been the CEO of the American company since 2014.

Steel Reef Infrastructure Corp. engages in the construction, operation and optimization of oil and gas infrastructure. It targets strategic small- to mid-sized infrastructure investments in the Western Canadian Sedimentary Basin. The company was founded by Scott Southward, Austin Voss, and Lane W. McKay in 2012 and is headquartered in Calgary, Canada.

Superior Pipeline Co. LLC produces and distributes natural gas. Its services include natural gas gathering and compression, natural gas processing services and natural gas treating services. The company was founded by Bob Parks in 1996 and is headquartered in Tulsa, OK.