R.H. Bracken
Ramsay Worden Architects
Ratio Architects
Raymond O. Harrison
Revery Architecture
Rhone & Iredale
Richard T. Perry
Robert Lemon
Robert Leshgold
Robert Lyon
Robert Mackay Fripp
Robert T. Garrow
Roger Hughes Architects
Romses Kwan & Associates
Ron Thom
Ronald Howard
Ross A. Lort