- Brenntag Northeast Inc
- Brenntag Northeast Inc
- Calmet Corp
- Campbell Foundry Co
- Castings USA Inc
- Clay & Bailey Mfg Co
- Commercial Casting Co
- Craft Associates
- D & L Foundry & Supply
- EBAA Iron Inc
- Francis & Nygren Foundry Co
- Francis & Nygren Foundry Co
- Globe Iron Foundry Inc
- Gregg Industries Inc
- Hawkeye Iron
- Holland Alloys
- Ips Belgium Foundry Corp
- Lodi Iron Works Inc
- Long Beach Iron Works Inc
- Mac Kenzie Castings Inc
- Mesa Castings Inc
- Mesa Castings Inc
- Neenah Foundry Co
- Ornamental Iron Fabricators
- Pacific Alloy Castings Inc
- Phoenix Iron Works
- Quaker City Casting Inc
- Southbay Foundary
- Sunset Foundry
- Sunset Foundry
- U S Pipe & Foundry Co
- Unimin Corp
