Tekneyan Mikael
Tempel Wolfgang
Terauchi Kiyoshi
Tews Bernhard
The Bingham Pump Company
The F. J. Stokes Machine Company
The G. E. Manufacturers Limited
The Globe Pneumatic Engineering Company
The Kinney Manufacturing Co.
The Swiss Locomotive And Machine Works
The Tilghman's Patent Sand Blast Company Limited
The Wilson Engineering Company
Theis Bernd O.
Thibault Olida W.
Thoma Martin
Thomas Winter Nichols
Thomas Philippe Gelinas
Thompson Marlin H.
Thrige Pumper A/s (thrige-Titan A/s)
Throckmorton Charles D. (sr.)