O'Brien Theodore E.
Oberlander Werner
Odorico Angelo
Okajima Kazumichi
Olenfalk Lars
Onishi Dan
Ossont Guy H.
Oster Eugene A.
Ostrager Allen M
Otremba Carsten
Oy SNE Environment Engineering Ltd.
Pachtner Dieter
Patras Daniel
Pekka Koivukunnas
Pelton John Franklin
Personer Verkstad, AB
Planck, Jr. Norman A.
Plovanich Charles J.
PMDS, L.L.C.
Poznanovic Milenko