Rossi Angelo F.
Rostoucher Guy
Rostovskoe Golovnoe Spetsializirovannoe Konstruktorskoe Bjuro Po
Rott Karl-Heinz
Rourke David R. S.
Rousseau Joseph
Rover Mowers (aust.) Pty. Ltd.
Rowbotham William R.
Rowe Carroll G.
Rowland-Hill E. William
Rowse Dan D.
Rowse Rodney D.
Rowse Ron A.
Rowse Hydraulic Rakes Co. Inc.
Rowse Hydraulic Rakes Company Inc.
Roynberg Erling
Rubin Kenneth W.
Rubin Robert M.
Rude Derek Stanley
Ruess Albert