Boring Machinery Manufacturers
| Broaching Machine Specialties (Novi, MI) |
| Brubaker Tool Corp (Millersburg, PA) |
| CITCO Operations (Chardon, OH) |
| Clausing Industrial Inc (Kalamazoo, MI) |
| Clymer Manufacturing Co Inc (Rochester Hills, MI) |
| Crankshaft Machine Group (Jackson, MI) |
| Cresswood Recycling Systems (Cortland, IL) |
| D & K Group Inc (Elk Grove Vlg, IL) |
| Detroit Broach Co (Auburn Hills, MI) |
| Eisele Corp (Elk Grove Vlg, IL) |
| Elk Lake Tool Co (Elk Rapids, MI) |
| E-Z Burr Tool Co (Plymouth, MI) |
| Gem Industries Inc (Fort Lauderdale, FL) |
| Hanchett Manufacturing (Big Rapids, MI) |
| Heidtman Steel Products Inc (Toledo, OH) |
| Hoover Co (North Canton, OH) |
| Industrial Overlay Inc (Rock Falls, IL) |
| Industrial Tool Co (Canton, OH) |
| Ingersoll-Rand Co (Shippensburg, PA) |
| Iron Mountain (Warren, MI) |
| Iscar Metals Inc (Southfield, MI) |
| J R Industries Inc (Detroit, MI) |
| Jamarco Industries Inc (Erie, PA)
Service Company |
| Kalamazoo Machine Tool (Kalamazoo, MI) |
| Komet Of America Inc (Schaumburg, IL) |
