C. Bart de Jong

Part of LyondellBasell Industries NV, ARCO Chemical Co. makes and sells intermediate and specialty chemicals. The private company is based in Pasadena, TX. ARCO Chemical was acquired by Lyondell Chemical Co., part of LyondellBasell Industries NV from December 20, 2007 on July 23, 1998 for $5,615.77 million.

Atlantic Richfield Co. provides oil and gas extraction and production services . The firm's exploration and production operations are focused primarily in the Gulf of Mexico and the midcontinent in the United States, the United Kingdom North Sea, Indonesia, China and Algeria. The company was incorporated on April 15, 1985 and is headquartered in Warrenville, IL.

Millennium Chemicals, Inc. manufactures and markets chemicals. Its products include acetyls such as vinyl acetate monomer, acetic acid and methanol and terpene-based fragrance and flavors chemicals. The company was founded in 1996 and is headquartered in Greenville, DE.

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.

TPC Group, Inc. engages in production of value-added products derived from niche petrochemical raw materials such as C4 hydrocarbons. It sells products into a specialty and intermediate markets, including synthetic rubber, fuels, lubricant additives, plastics and surfactants. Its products include butadiene, butane-1, fuel products, polyisobutylene, isobutylene derivative, propylene tetramer and pentamer. The company was founded in 1943 and is headquartered in Houston, TX.

KPMG International Cooperative focuses on the promotion of the economic interests of its members. It engages in the protection, promotion, improvement, and expansion of the KPMG Group. The company was founded on February 8, 1988 and is headquartered in Zug, Switzerland.