The Iron Casting Research Institute, Inc. is a group of Iron Foundries desiring specialized technical service, advice and information not always readily available from within their own organizations. Current member foundries and associated links are listed below:
- C.A. Lawton Company, DePere, Wisconsin
- Casting Solutions, LLC, Zanesville, Ohio
- Charter – Aarrowcast, LLC, Shawano, Wisconsin
- Great Lakes Castings, LLC, Ludington, Michigan
- Grede Foundries, Southfield, Michigan
- Biscoe, North Carolina
- Brewton, Alabama
- Browntown, Wisconsin
- Iron Mountain, Michigan
- Reedsburg, Wisconsin
- St. Cloud, Minnesota
- Hodge Foundry, Greenville, Pennsylvania
- John Deere Foundry, Waterloo, Iowa
- OSCO Industries, Inc., Portsmouth, Ohio (2 plants)
- Jackson Plant, Jackson, Ohio
- Portsmouth/New Boston Plant, Portsmouth, Ohio
- Quality Castings Company, Orrville, Ohio
- Rochester Metal Products, Rochester, Indiana
- Ward Manufacturing, LLC, Blossburg, Pennsylvania
- Weil McLain Foundry, Michigan City, Indiana