Vendors
- HA International
- Joymark & Fiber Ceramics
- IGC Technologies
- Fairmount Minerals
- Ervin Amasteel
- VSM Abrasives
- S&B Industrial Minerals
- Ingot Metal Company
- Larpen Metallurgical
- Prince Minerals
- Allied Minerals
- The Hill and Griffith Company
- MIFCO
- Tinker Omega Manufacturing
- Gaylord Foundry Equipment
- KB Alloys
- Refcotec
- Unimin
- American Colloid
- Vesuvius
- Smith and Richardson
- Shells Inc