California League of Food Processors
www.clfp.com

Processing Tomato Advisory Board
www.ptab.org

Processed Tomato Foundation
www.tomatonet.org/ptf.htm

California Tomato Research Institute
www.tomatonet.org

Grocery Manufactureers Association (GMA)
www.GMA-Safe.org

World Processing Tomato Council
www.wptc.to