Henry's Farm (an organic family farm in central Illinois)
National Organic Program (USDA page)
Organic Consumers Association (Public interest organization dedicated to building a healthy, safe, and sustainable system of food production and consumption.)
Eden Foods (example of commercial site)
Cooking with the Seasons (organic food recipes by Terra Brockman)

GMO Related Sites

True Food Now (GMO Watchdog)
Center for Food Safety (grassroots organization that addresses concerns
about the impacts of our food production system on human health, animal welfare, and the environment)
Genetically Modified Food News (links to recent articles related to GMO)

Fast Food Sites

Frontline: Modern Meat
McDonalds
Burger King
Wendy's
Taco Bell, KFC, Pizza Hut, etc.
Subway
Papa John's in UK
Domino's