Art Schaeffer

Celanese Chemicals, Inc. produces chemical products. It offers acids, anhydrides, aldehydes, polyols, glycols, solvents, monomers, amines, cellulose acetates, and catalyst. The company is headquartered in Dallas, TX.

McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

PSC LLC provides environmental and industrial services. It offers hydroblasting, vacuum services, environmental management, specialty maintenance services and technology solutions. The company was founded in 1977 and is headquartered in Houston, TX.

Parkhill, Smith & Cooper, Inc. engages in the provision of architectural and engineering design services. It includes aviation; highway and railway; solid waste; site development; structural; mechanical, electrical, and plumbing (MEP); utilities; water resources; water and wastewater treatment; stormwater; SCADA; construction services; and surveying. It caters government, healthcare, higher education, K-12, financial and commercial, church, interiors, and landscape architecture. The company was founded in 1945 and is headquartered in Abilene, TX.