ATTRA http://www.attra.org/sorg/tn/profiles.html National Sustainable Agriculture Information Service featuring in-depth publications on production practices, alternative crop and livestock enterprises, innovative marketing, organic certification, and highlights of local, regional, USDA and other federal sustainable ag activities.
IOAS http://www.ioas.org/index.htm International Organic Accreditation Service (IOAS) is an independent, non-profit organisation that works on behalf of everybody involved in organic agriculture to ensure trust and fair trade in products labelled as organic.
MOSES http://www.mosesorganic.org/ Midwest Organic & Sustainable Education Service mission is to help agriculture make the transition to a sustainable organic system of farming that is ecologically sound, economically viable, and socially just, through information, education, research, and integrating the broader community into this effort.
The Organic Center http://www.organic-center.org/ Generates credible, peer reviewed scientific information and communicate the verifiable benefits of organic farming and products to society.