Nakagawa Turuo
Nims James E.
Nomura Ken-Ichi
Ogishi Yasuaki
Oldham Robert R.
Ortega D. Ignacio M.
Ortner Heinrich
Ossenkop Wilhelm
Outdoor Sanitation
Overy Douglas E.
Panahi Fazlollah
Pang Hsaio Hao
Parker Hannifin (UK) Limited
Partridge D. Richard
Passaic Valley Sewerage Commissioners
Pat-Air, Inc.
Pedneault John A.
Peranio Anthony
Permutit Company, Inc.
Phelps Charles Berndt