Lehigh Cement / Heidelberg Technology Center

Lyondellbasell Chemical Company

Armstrong World Industries

Lafarge Cement

Worley Parsons Engineering

Westlake Chemicals

Nabisco

General Mills

Babcock & Wilcox

Proctor & Gamble

Wheaton Industries

Nestle Food Group Companies

Goodyear Tire and Rubber Company

EXXON MOBIL• GE Plastics (SABIC)

INCO Limited

Kal Kan

Lansberry Coal Company

MSA Co.

Procter & Gamble

Lubrizol

Hotcim Cement