Grinding Machinery Manufacturers
| Tool Shop Co (Decatur, IL) |
| Triumph Twist Drill Co (Crystal Lake, IL) |
| Tru-Cut Inc (Cary, IL) |
| U S Tool Inc (Farmington Hls, MI) |
| V-S Industries Inc (Wheeling, IL) |
| Watts Brothers Tool Works Inc (Wilmerding, PA) |
| Wayside Steel Slitting Co (Cleveland, OH) |
| Western Broach Co (Jackson, MI) |
| White Automation & Tool Co Inc (Romulus, MI) |
| Wolverine Production & Engrg (Harrison Twp, MI) |
| Coltwell Industries, Inc (Cranford, NJ)
Manufacturer |

