Boring Machinery Manufacturers
| Landis Threading Systems (Waynesboro, PA) |
| Leader Corp (Sterling Hts, MI) |
| Link Industries (Indian River, MI) |
| Miles, Ty Inc (Westchester, IL) |
| Newcomer Products Inc (Latrobe, PA) |
| Onsrud Cutter LP (Libertyville, IL) |
| Pneumatic Feed Service Inc (Warren, MI) |
| Positrol Inc (Cincinnati, OH) |
| PR Hoffman Machine Products (Carlisle, PA) |
| Praxair Inc (Augusta, GA) |
| Praxair Surface Technologies (Hillsboro, OH) |
| Precision Automation Co Inc (Clarksville, IN) |
| Precision Form Grinding Inc (Jackson, MI) |
| Precision Strip Inc (Minster, OH) |
| Raco Steel Co (Markham, IL) |
| Radoll Designs Inc (Thomasville, GA) |
| Recall Total Information Mgmt (Indianapolis, IN) |
| Scot Industries Inc (Sugar Grove, IL) |
| Specialty Tool Inc (Fort Wayne, IN) |
| Stanley Industries Inc (Clawson, MI) |
| Sulzer Metco US Inc (Troy, MI) |
| Toolmasters LLC (Stillman Valley, IL) |
| V W Broaching Services (Chicago, IL)
Manufacturer, Service Company |
| Valenite Inc (West Branch, MI) |
| Ward, Ashley Inc (Mason, OH) |
