Pech Walter
Persson Lennart P. E.
Peterson Douglas
Peterson Gudmundur Peter
Phillips D. Colin
Phillips David C.
Pillion John E.
Plasil Vladimir
Pleasanton Roger W.
Plottel R.
Podl William J.
Polivanov Pavel P.
Post Brian F.
Powell Russell A.
Prell George A.
Pressure Systems, Inc.
Priem Kenneth R.
Protimeter, Inc.
Provasnik Robert
Prove Robert J.