Manufacturers (T-U)
- T C WILSON
- T T C
- TAJIMA
- TAMCO
- TANIS
- TAP MATIC
- TAYLOR TOOLS
- TAYLOR-MADE
- TAYMOR
- TCP LIGHTING
- TDK
- TECHSOUTH
- TECHSTAR PLASTICS
- TECO
- TECUMSEH
- TELL INDUSTRIES
- TESA-HITE
- TEXAS FEATHERS
- TEXAS INSTRUMENTS
- TEXAS PNEUMATIC
- THERMADYNE
- THERMAL DYNAMICS
- THERMOID
- THERMWELL
- THOMAS & BETTS
- THOMPSONS
- THOR
- THORO
- THREAD KITS CO
- THURSTON MFG
- TICOM SAFETY
- TIGAIR
- TINGLEY RUBBER
- TITAN CORP
- TOKU
- TOLCO
- TOOL STEEL SERVICE
- TOOL-LUBE
- TOOLSMITH
- TOP CAT
- TOPS
- TOSHIBA
- TOTER, INC
- TPI CORP
- TRELAWNY
- TREWAX
- TRI STAR ENGINEERING
- TRICO
- TRIMACO
- TRINE PRODUCTS
- TRIPP LITE
- TRISTAR
- TRUE TEMPER
- TRUE VALUE
- TRUSERV MFG
- TSURUMI
- TUCKER
- TUF TUG
- TURTLEWAX
- TUTHILL COPPUS
- TUTHILL TRANSFER
- TWECO
- TWIN PUMPS
- TYCO ADHESIVES
- TYCO PLASTICS
- TYROLIT
- TYVEK
- U S ANCHOR
- U S LAMBSWOOL
- U S LOCK
- UGL
- ULTRA FIREPOWER
- ULTRATECH
- UNBRAKO
- UNGER
- UNGER ENTERPRISES
- UNIBIT
- UNION TOOLS
- UNITED
- UNITED GILSONITE
- UNITED RECEPTACLE
- UNITED TAPE
- UNIVERSAL
- UNIVERSAL COUPLING
- UNIVERSAL METAL HOSE
- US ROBOTICS
- USG CONSTRUCTION
- USP
- U-TIER
- UVEX