Odobez Giambattista
OED Occtech Limited
Ohtake Hiromichi
Olsen George P.
Ottese Walter
OTV S.A.
Pacaud Jean
Palmer Engineering Company Ltd.
Park Chil Lim
Park Myung Gyun
Peasley Howard P.
PEC Process Engineering Company SA
Pecker Calman
Penno Jeffrey
Pesakovich Boris
Peters Henry J.
Petersen Cristopher
Peterson Harold J.
Pfafflin James R.
Pollock David C