Institution
- Operations Research, Inc.1
- Opportunities Industrialization Center (Philadelphia, Pa.)1
- Oregon State College1
- PAMETRADA Research Station1
- PASA Petroquimica Argentina1
- Pacific Gas and Electric Company1
- Pacific Semiconductors, Inc. 1
- Palais de la découverte (Paris, France)1
- Pan American Refining Company1
- Paragon Global Services, Ltd.1
- Pasadena Entretec1
- Paul Scherrer Institut1
- Paul, Hastings, Janofsky & Walker LLP1
- Pennsylvania State University. College of Medicine1
- PerSeptive Biosystem1
- Peter Lederman & Associates1
- Peter Petergrinus, Ltd.1
- Petro-Tex Chemical Corporation1
- Petroleum Administration of War1
- Petroleum Recovery Institute1