| | American Carbide Tool Co (Ann Arbor, MI) Carbide tipped cutting & end tools, carbide wear parts, reamers & end mills | |
| | Brubaker Tool Corp (Millersburg, PA) Metal cutting machine tools, ground thread taps, end mills, reamers & milling cutters | |
| | Clymer Manufacturing Co Inc (Rochester Hills, MI) Firearm chambering reamers, headspace gauges & related tools | |
| | Helm Tool Co (Eastlake, OH) Special tooling, custom high speed & carbide cutting tools, reamers & counter bores | |
| | Kneeland Industries Inc (Mio, MI) Carbide tipped drill bits & reamers | |
| | Maxwell-Wetmore Tool Co (Ashtabula, OH) Adjustable reamers, recessing, back facing & specialty cutting tools | |
| | Millersburg Reamer & Tool Co (Millersburg, PA) Machine cutting tools: reamers & counterboares | |
| | North American Tool Corp (South Beloit, IL) Special taps, round adjustable dies, reamers, standard & special thread plug gages | |
| | Precision Header Tooling Inc (Rockford, IL) Tools, dies, inserts & reamers; tooling | |
| | RTS Cutting Tools Inc (Clinton Twp, MI) Special cutting tools & reamers | |
| | Spie Tool Co (Schaumburg, IL) Cutting tools: drill bits & reamers | |
| | Valley Header Die Inc (Belvidere, IL) Carbide header tooling & two flute carbide spade reamers | |
| | United Tool Company (Patiala, India) | |
| | Monster Tool Company (Palm Desert, CA) | |
| | Tultek Industries Inc. (Shanghai, China) | |
