California Seed Association (CSA) *

California Tomato Research Institute, Inc.

Canadian Phytopathological Society (CPS)

Canadian Seed Growers' Association (CSGA)

Canadian Seed Trade Association (CSTA / ACCS) *

Canadian Weed Science Society

Center for Produce Safety (CPS)

Centor Group

Clemson University

Colorado Wheat

CropLife America (CLA)

CropLife Canada

Culinary Breeding Network