Richard C. Behling
Richard O. de Weese
Ricketts Jonathan Eugene
Riddle Russell
Riddle Russell Allen
Riedel Dietmar
Riggenmann Reinhold
Riihimaki Antti
Ririe Max
Ritchie Alexander
Ritchie Alexander Slett
Ro-Tech Inc.
Robert Christman Hartrampff
Robert L. Underwood
Robert S. Madeux
Robert Christman Hartrampff
Robertson Graham
Robertson Graham Alexander
Robins Roger C.
Roby B. White