Phillips Dollie T.
Pignatti Ugo
Piper Vaughn J.
Porter Oswald M.
Porter Oswald Mead
Principe David L.
Raffaele Angiolicchio
Ragnebring Chris
Rapold Franz
Reinhart Terry L.
Reinke Kurt
Reliable Attachment Company
Riccar Company, Ltd.
Rohr G/u/ nter H.
Romano Antonino
Rossi Richard E.
Rydz John Stephen
S. R. Gent and Company Limited
Saetti Giuseppe
Salazar Jiro