Metal Ball Manufacturers
| Thomas Steel Strip Corp (Warren, OH) |
| Thompson Steel Co Inc (Paulding, OH) |
| Timken Co (Bucyrus, OH) |
| Titan Steel Corp (Romeoville, IL) |
| Tool King Inc (Wheeling, IL) |
| Toyal America Inc (Lockport, IL) |
| Universal Stainless & Alloy (Titusville, PA) |
| Valmont Industries Inc (Elkhart, IN) |
| Walbridge Coatings Inc (Walbridge, OH) |
| Wheeling-Pittsburgh Steel Corp (Yorkville, OH) |
| Woodings Industrial Corp (Mars, PA) |
| World Class Processing Inc (Ambridge, PA) |
| Worthington Specialty Process (Jackson, MI) |
| Worthington Steel Co (Monroe, OH) |
| Worthington Steel Co (Jackson, MI) |
| Precision Components (Chilliwack, BC)
Manufacturer |
| Bethlehem Lukens Plate (Conshohocken, PA)
Contract Manufacturer |
| Dayton Steel Svc Inc (Rome, GA)
Manufacturer |
| Paragon Tube Corp (Fort Wayne, IN)
Manufacturer |
| U S Steel Tubular Products (Bakersfield, CA)
Distributor |
| Wa-Kay Industries Inc (Milford, MI)
Manufacturer |
| West Virginia Cold Drawn (Point Pleasant, WV)
Manufacturer |
| Cameron Diversified Products (Wilcox, PA)
Manufacturer |
| R.k.international (Mumbai, India)
Contract Manufacturer |
| Zeus Industrial Products (Orangeburg, SC)
Manufacturer |
