Roper Pump Company
Rosam Markus
Rose Arthur G.
Rose Barbara A.
Roseberry David E.
Roseborough Trevor
Rosenblath Quinlan T. Jr.
Rosenquest John B. (jr.)
Roslon Susanne
Ross Joseph
Ross Michael C.
Rossell Fluid Control Limited
Rotary Power Development Limited
Rotating Composite Technologies Llc
Roth Paul E.
Roth Peter F.
Roth Peter P.
Roth (roy E.) Company
Roto-Master
Roto-Master Inc.