Arco Brass Barrel Laps
Air Turbine Technology
Albrecht Drill Chucks
Allen
Aloris Tool Technology
Anchorlube Lubricant
Armstrong
Baystate Carbide Prods
BearTex (Norton)
Bondhus Corporation
Boneham Drill Bushings
Brown & Sharpe Precision
Camel Abrasives
Chicago Latrobe
Chick Workholding 
Circle Machine Company
Cleveland Twist Drill
Coilhose Pneumatics
Cooltool Fluids
Cooper Tools
Criterion Machine Works
Danaher Tool Group
Data Flute
De-Sta-Co Clamps
Darex
Dieco
Dumont Broaches
Dykem
Eklind Hex Keys
Everede Boring Bars
Filtermist
Geometric Tool
Greenfield Gage
Greenfield Tap & Die

Grobet File Company
Hanita Cutting Tools
Hannibal Carbide Tip Tools
Harvey Tool Company
Holo Chrome
Hougan Rotabroach
Huot
Iscar Metals
ITW
Jacobs Drill Chucks
Kaiser Boring Systems
Keo Cutters
Kurt Manufacturing
L. S. Starrett
Lavallee & IDE
Loc-Line Coolant Lines
LPS Laboratories
Lyon Metal Products
M. A. Ford Carbide Tools
Manchester Tool
Melin Tool Company
Met Cut
Metal Removal
Micro 100
Mitee-Bite Products
Mitutoyo
New Tech Cutting
Niagara Cutters
Nicholson
Norton Company
NTK
Nupla Soft Face Hammers
Parlec
Plasti-kote Spray Paint
Precision Brand Products

Putnam End Mills
Recoil Thread Inserts
Royal Products
RTW Carbide Tools
Rustlik
Scientific Cutting Tools
Severance Cutting Tools
Sopko
SPI Swiss Precision Instru.
Spray Tap
Starrett (see L. S. Starrett)
Sulflo Cutting Fluids
Superior Abrasives
Tap Magic
Tapmatic Tapping Heads
TE-CO
Titex Drills
ToolFlo Carbide Company
Toshiba Tungaloy
Trico Micro Drop Fluid
Tungaloy (see Toshiba)
Ullman Inspection
V. R. Wesson Carbide
Vermont Gage
Walton Tap Extractors
Waterloo Industries
Waukesha Cutting Tools
Weldon Tool Company
Widell Industries
Wiha Torx Keys
Wiss
William Sopko & Sons
Wolverine Tapered End Mills
XLN
Zurn