- Biological Farmers of Australia (BFA)
 - Providing internationally recognised organic and bio-dynamic certification to farmers and food producers. Provides production standards and application forms. - Canberra Organic Growers Society
- Carolina Farm Stewardship Association
- Membership association of North and South Carolina farmers, gardeners, and consumers dedicated to ecological farming methods and the development of a healthful, sustainable agriculture.
- International Federation of Organic Agriculture Movements (IFOAM)
- Represents the organic agriculture and farming movement in its full diversity.
- Maine Organic Farmers and Gardeners Association
- MOFGA helps farmers and gardeners grow organic food and supports sustainable and vibrant rural communities.
- Michigan Organic Food and Farm Alliance (1)
- Moses: Midwest Organic and Sustainable Education Service
- Helping agriculture make the transition to a sustainable organic system of farming that is ecologically sound, economically viable, and socially just, through information, education, and research.
- National Association for Sustainable Agriculture Australia (NASAA)
- Certifies organic production in Australia, Papua New Guinea, Sri Lanka, and Indonesia to international standards.
- Northeast Organic Farming Association (NOFA) (2)
- Organic Consumers Association (OCA)
- Nonprofit consumer advocacy organisation working to make organic agriculture the dominant form of food and fibre production.
- Organic Trade Association
- A national association representing the organic industry in Canada and the United States.
 Say No to Grampian
- Campaign to prevent Grampian Country Foods Group from developing an 'organic' chicken farm in Sussex.- Soil Association, The
- U.K. organisation that campaigns for organic food and farming, and sustainable forestry.
- Virginia Association for Biological Farming (VABF)
- Nonprofit organisation dedicated to sustainable food and fibre, healthy soil, clean water, and thriving ecosystems, while providing quality products for consumers and economic security for farmers.
- Willing Workers On Organic Farms (WWOOF) (4)
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