- Top Notch Tool & Supply
- Tracey Gear & Machine Works
- Trade Tools Inc
- Tree Tech
- Tri Tool Inc
- Tri-Service Drilling Co
- Tri-Way Manufacturing
- Tri-Way Manufacturing
- Tri-Way Mold & Engineering Inc
- Tronex Technology Inc
- Tru-Cut Mfg Inc
- Tru-Cut Mfg Inc
- Trudex
- True Cut Tool Co
- Trueform Engineering & Mfg Inc
- Tucker Technology Inc
- Turn Key Automation
- U S Tool & Gauge Inc
- U S Tool Grinding Inc
- Universal Cutter Svc
- Universal Grinding Co
- Us Shop Tools
- Us Tool & Cutter
- Us Tool & Cutter
- USA Enterprise Inc
- USA Enterprise Inc
- Utica Enterprises Inc
- Valenite Inc
- Valenite Inc
- Valiant International Inc
- Valiant International Inc
- Vermont Precision Tools
- Vernon Tool Co
- Victor L Phillips Co
- Voumard Machines Co
- Vulcan Metal Products
- Wade Machine Mfg Inc
- Walter Engles Machine & Tool
- Walter Grinders Inc
- Walter Grinders Inc
- Walter Grinders Of Michigan
- Walter Grinders Of Michigan
- Warren Broach & Machine Co
- Washington Air Compressor Rntl
- Watson Machine Corp
- Watts Specialties Inc
- Wedin International
- Western Broach Co
- Western Broach Co
- Western Engineered Products
- Western Engineered Products
- Western Hydro Corp
- Whaley Machine Products Inc
- Whites Machining & Tool Inc
- William T Hutchinson Co
- Willow Tool & Machining Inc
- Wisconsin Industrial Supply Co
- Wisconsin Machine Tool Corp
- Wolverine Sales & Assoc
- Wood-Cutters Tooling Inc
- Wood-Cutters Tooling Inc
- Wotan
- Wright Machine Tool
- Wright's Machine & Tool Co
- Xevee Corp
- Zirbel Precision Engineering
