Cargill, Inc.
Charles River Laboratories
Cleveland-Cliffs Inc.
DW-National Standard-Niles, LLC
The Dow Chemical Company
Edward C. Levy Co.
Enbridge Energy, LP
ERVIN Industries, Inc.
General Motors LLC
Gerdau Macsteel INC.
Graphic Packaging International
Hemlock Semiconductor Operations
J. Rettenmaier USA LP
Marathon Petroleum Company LP
Martin Marietta Magnesia Specialties
Metal Technologies, Inc.
Occidental Chemical
Pfizer, Inc.
Stellantis
Linde, Inc.
United States Gypsum Company
WestRock California, Inc.
Zoetis LLC
