Politechnika Krakowska Im. Tadeusza Kosciuszki
Pomeroy Laurence E. W.
Popielas Frank W.
Porter John E.
Post Lloyd P.
Potters Industries Inc.
Powers Harold C.
Price Robert T.
Priede Theodor
Prikazsky Wence .
Primus Roy J.
Pulick Michael Anthony
Purdy Frederick
Raden Edward
Raden Edward A.
Rail Parts Limited
Rakauska Paul V.
Ralph E. Finley
Ralph H. Hill
Ralph Stanley Whaley