J. Neal Butler

Advent International LP (Advent) is an independent private equity firm founded in 1984 by Henry H. Haight. The firm is headquartered in Boston, Massachusetts.

Pioneer Cos., Inc. manufactures and distributes chemical and related products. Its products include chlorine and caustic soda. The company was founded in 1988 and is headquartered in Houston, TX.

Plains Resources, Inc. engages in acquisition and exploitation of mature, underdeveloped oil properties, preferably an entire field in which a major integrated or large independent producer has controlling interest, simplifying the acquisition process. The company is headquartered in Houston, 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.

Equistar Chemicals LP produces chemicals. It offers polypropylene, ethylene, propylene and polyethylene, ethylene oxide, ethylene glycol, specialty polymers, and polymeric powder. The company was founded in December 1997 and is headquartered in Houston, TX.

Kraton Polymers LLC produces styrenic block copolymers. The company is headquartered in Houston, TX.

Part of Entegris, Inc., KMG-Bernuth, Inc. is a company that wholesales chemicals. The company is based in Houston, TX. KMG-Bernuth was acquired by CMC Materials KMG Corp., part of Entegris, Inc. from November 15, 2018.

Techmer PM, LLC engages in the design and production of engineered compounds and color and additive concentrates for the plastics and fiber industries. Its process specific solutions includes bulked continuous filament (BCF) and Staple fiber solutions, blow molding, cast and blown film, extrusion coating, foam processing, injection molding, nonwovens, profile extrusion, sheet extrusion, and slit tape. It caters the following industries: agriculture, appliances, automotive, construction and pipes, consumer electronics, electronic packaging, floor coverings, food packaging, household, material handling, medical, military, oil and gas, personal care, and safety and personal protection. The company was founded by John Manuck in November 1981 and is headquartered in Clinton, TN.

University of Houston System offers higher education degrees and job training or vocational study programs. It offers about 280 undergraduate and graduate degree programs in fields such as business, education, humanities and law. It was founded in 1927 and is headquartered in Houston, TX.

Chlor-Alkali Holdings Pty Ltd. operates as a holding company with interests in manufacturing and distribution of salt and chlor-alkali products. It offers chlor-alkali products such as bulk chlorine, caustic lye and hydrochloric acid. The firm operates through subsidiaries such as Walvis Bay Salt Refiners, Botswana Ash and NCP Chlorchem. The Walvis Bay Salt Refiners supplies industrial salt to the chlor-alkali industry and also produces household salt for the southern African market. The company was founded in 2002 and is headquartered in Kempton Park, South Africa.

SK Capital Partners (SK Capital Partners) is a private equity firm founded in 2007 by Jamshid Keynejad and Barry B Siadat. The firm is headquartered in New York.

American Natural Soda Ash Corp. was established in 1984 and operates as the export sales, marketing, and logistics arm for its member companies. The company is based in Westport, CT. The company's focus is on natural soda ash production, and it represents some of the leading producers in the industry.

Panhandle Oilfield Service Cos, Inc. provides oilfield services. It offers used tubulars and casing, and caprock pumping units. The firm's services encompass construction, safety services, logistics, inspection, and automation in the oil and gas industry. The company was founded by Tim Long in 1983 and is headquartered in Oklahoma City, OK.

AZ Electronic Materials USA Corp. develops and manufactures technology products for use in integrated circuits and devices. The firm's products are used in the manufacture of flat screen digital TV's, PC's, mobile phones, navigation devices, and medical imaging equipment. The company has facilities in China, the United States, Japan, Korea, France, Germany, Singapore, Hong Kong, and the United Kingdom. The company is located in Branchburg, NJ.

LyondellBasell Industries, Inc. manufactures basic polymers for industrial use, as well as refines crude oil into lubricating oil, diesel fuel, coke and sulfur. It offers chemicals, quality systems, technology centers, product safety and stewardship. The company is headquartered in Houston, TX.

Wood Preservation Canada engages in promoting and supporting wood treating industry. Its mandate is to preserve the environment through the promotion of responsible stewardship of resources and to promote the benefits to be gained from the use of quality preserved wood products. The company is headquartered in Ottawa, Canada.

NuCera Solutions LLC develops and manufactures polymers. It specializes in adhesives, candles, coatings, imaging, master batches, personal care and plastics. The firm provides polyethylene waxes, long chain synthetic acids, ethylates, waxes, and dispersants solutions. The company is headquartered in Barnsdall, OK.

Smart Chemical Solutions LLC operates as a service provider of comprehensive chemical solutions and analytical services. It supplies chemical products. The firm offers chemical services, logistics, manufacturing and laboratory alliances. The company was founded by Lloyd Brown in 2008 and is headquartered in Amarillo, TX.

HMTX Industries LLC is a private company that provides flooring solutions. The company is based in Norwalk, CT. The company's products include Metroflor Engage Inception 120 – Ridgeback 7800, Teknoflor® Forest Plank HPD: Fog, and Teknoflor Icon Tile HPD – Sapphire. The company was founded in 1981. The CEO is Harlan S. Stone.

Calumet GP LLC provides investment services. The private company is based in Indianapolis, IN. The CEO of the company is Louis Todd Borgmann.