Alliance Castings Company, LLC
ASK Chemicals
Casting Solutions, LLC
Consumer Energy Alliance
Covia
Dayton Pattern Inc.
Elyria Foundry
EMSCO, Inc.
Energy Industries of Ohio EIO
Energy Management Solutions, Inc.
Ervin Industries
FerroGlobe
Fisher Cast Steel
Foseco
Founders 3D Cores
Griffin Wheel Company
HA-International, LLC
Hill & Griffith Company
Humtown Products, Inc.
Imerys
Iron Casting Research Institute
Inductotherm
Keener Sand & Clay Company
Kurtz Bros., Inc.
Liberty Casting Company LLC
Mad River Strategies
Magnus Products
McWane Ductile
Miami Cast, Inc.
Midvale Industries
Miller and Company LLC
Omnisource Corporation
OSCO Industries, Inc.
Palmer Mfg. & Supply, Inc.
ProFound Alloys
Quality Castings Company
REFCOTEC
Reliable Castings Corporation
St. Marys Foundry, Inc.
San Cast, Inc.
TH Manufacturing
Tinker Omega Sinto
TRC Environmental
Tri-Cast Ltd.
Trumbull Foundry and Alloy
