Below are links to organizations that can provide all types of information about the organic and natural food industry.

United States Department of Agriculture (USDA).
This site offers a lot of useful information about food nutrition, safety and technology.
http://www.usda.gov/wps/portal/!ut/p/_s.7_0_A/7_0_1OB?navtype=SU&navid=FOOD_NUTRITION

California Certified Organic Farmers (CCOF) Trade Association
The CCOF Trade Association actively works to expand the organic marketplace you depend on. They build consumer demand and public support for organic products through organic education, public relations and marketing assistance.
http://www.ccof.org/

Organic Trade Association (OTA)
Is a membership-based business association that focuses on the organic business community in North America. OTA's mission is to promote and protect the growth of organic trade to benefit the environment, farmers, the public and the economy.
http://www.ota.com

The Organic Consumers Association (OCA)
Is a public interest organization dedicated to promoting health justice and sustainability. A central focus on the OCA is building a healthy, equitable, and sustainable system of food production and consumption. We are a global clearinghouse for information and grassroots technical assistance.
http://www.organicconsumers.org