The Hartford Faience Company
The Hill And Griffith Company
The Hug Company
The Kinetic Mixer Company
The Koehring Company
The Koehring Machine Co.
The Koering Company
The London Concrete And Machinery Company
The Pennstar Company
The Quigley Furnace Specialties Company
The Ready Mixed Concrete Corporation
The Refractories Machinery Manufacturing Co.
The Tucker Brick Company
The United States Gypsum
Theodore E. Saxman
Theodore R. Vessels
Therma-Plex Corporation
Thermoform Nederland B.v.
Thim Stig
Thim Stig H.g.