•  Sterling Chemical
•  Weyerhaeuser
•  Jefferson Smurfit
•  Georgia-Pacific

AGRICULTURAL and AG CHEMICAL:

•  Archer Daniels Midland, Co.
•  Gold Kist
•  Griffin Corporation.
  

PHARMACEUTICAL/CHEMICAL:

•  Merck Chemical
•  Millenium
•  Delphi

FOOD TECHNOLGIES:

•  Frito Lay
•  Cagle
•  Cargill, Inc
•  Tyson Foods
•  Perdue
•  Fieldale Farms
•  American Protein
•  Chickasha

GEOSCIENCE INDUSTRIES:

•  Vulcan Materials
•  PCS Phosphate
•  Martin-Marietta
•  Blue Circle Aggregates