- AFS-Central Indiana Chapter
- AFS-Central Ohio Chapter
- AFS-Detroit-Windsor Chapter
- AFS-Midwest Regional
- AFS-Northeastern Ohio Chapter
- AFS-Piedmont Chapter
- AFS-Southwestern Ohio
- AFS-St. Louis District Chapter
- AFS-Tennessee Chapter
- AFS-Texas Chapter
- AFS-Tri-State Chapter
- Atlas Foundry Co., The
- Auburn Foundry
| - Beardsley & Piper
- Casting Industry Suppliers Association
- Caterpillar Inc.
- Daimler-Chrysler Corporation
- Dalton Corporation
- Ductile Iron Society
- East Jordan Iron Works, Inc.
- Emerson Charitable Trust
- Esco Corporation
- Grinnell Corp. Headquarters
- Hickman, Williams & Co.
- John Deere Waterloo Works Foundry
- McWane Inc.
| - Miller & Co.
- National Castings, Inc.
- NEV 2/11 Foundation
- Porter Warner Industries, Inc.
- Rio Tinto Iron & Titanium America
- Superior Graphite Co.
- Textron Auto. Functional Components
- U. S. Pipe & Foundry Company
- Ward Manufacturing
- Wells Manufacturing Company
- Wheland Foundry
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