Roper Hydraulics
Rose Arthur G.
Rose Barbara A.
Roseberry David E.
Rosenblath Quinlan T. Jr.
Rosenquest John B. (jr.)
Roslon Susanne
Ross Joseph
Ross Michael C.
Rossell Fluid Control Limited
Rotary Power Development Limited
Roto-Master Inc.
Rougeux Gene A.
Routledge Michael
Rowatt John D.
Rowlandson Ben
Roy B. Smith
Roy Dosapro M.
Roy D. Buell
Rozek Roy