Purcel David E.
Puukangas Pertti
Pyrozone Manufacturing Pty. Ltd.
Quayle Randall G.
Queissar Richard C.
Queyquep Cesar L.
Quinn Leonard L.
Quintex Research International, Inc.
R.E.A. S.n.c. Di Sassi Baudin & C.
Rait Joseph
Rajendran Narayanaswamy
Ramadass Gidugu Ananda
Rankin William John
Rao B. Rama
Rapala Gregg R.
Rapp Eugen
Rapp Günter
Rau Karl
Ray Jamar
Ray James R.