Oberg Per O.
Oberg Per Olof
Oil Recovery Systems International
Oil Spill Containment Systems Pty. Ltd.
Oil Stop, Inc.
Oiltrol, Inc.
Oppenheimer M. Leonard
Osterlund Ansgar
Ostlund Ole C.
Pace Salvatore James
Page Ronald D.
Partanen Ari Gabriel
Pekelny Anatol
Peratrovich, Nottingham & Drage, Inc.
Perez Lucien
Personette David
Petroleum Recovery Technologies, Inc.
Phifer Edward H.
Pilkington Roger
Pistruzak William M.