Member Companies

  • AK Steel Corporation
  • Arconic Inc.
  • Cargill
  • Corrigan Oil
  • The Dow Chemical Company
  • Eaton Corporation
  • Edward C. Levy Co.
  • Enbridge Energy, Limited Partnership
  • FCA US LLC
  • General Motors, LLC
  • Gerdau Macsteel
  • Hemlock Semiconductor Operations, LLC
  • J. Rettenmaier USA LP
  • Marathon Petroleum Corporation
  • Martin Marietta Magnesia Specialties, Inc.
  • Metal Technologies, Inc.
  • MPI Research
  • Occidental Chemical Corporation
  • Ox Industries
  • Praxair, Inc.
  • Pfizer - Kalamazoo
  • United States Gypsum Company
  • U. S. Steel Corporation
  • Westrock California, Inc.
  • White Pigeon Paper