Okpokowuruk Paul
Olson Lawrence P.
Onoe Masao
P & W Pumping-Jack Co.
Pacific Fluid Systems, Corp.
Page Victor J.
Petukhov Vadim D.
Plainsman Mfg. Inc.
Polak Paul R.
Polarteknik PMC Oy AB
Product Research And Development
Proteus Corporation
Rae Ian D.
Rasmussen James W.
Rassomakhin Klimenty E.
Raunio Pentti
Reynolds Lionel A.
Reynolds Lionel Arthur
Robinson Ronald Lee
Rode Wilhelm