Institution
- Brown & Bain1
- Bucknell University1
- Bureau of Liberation Committee (Isère)1
- Burnham Institute1
- Burns and Roe1
- C.S. Batchelder Co.1
- Cain Chemical, Inc.1
- California Polytechnic State University, San Luis Obispo1
- Calvin College1
- Canadian Armaments Research and Development Establishment1
- Canadian Fishing Company1
- Canadian Industries Limited1
- Canadian International Paper Company1
- Carbide and Carbon Chemicals Corporation1
- Carleton University1
- Carrington Laboratories1
- CasChem, Inc. 1
- Catalytic Construction Company1
- Catalytica, Inc.1
- Catholic Institute for Teachers1