| oregonbd.org | Oregon Biodynamics Group |
| nofany.org | Northeast Organic Farming Association of New York |
| indocert.org | Indian Organic Certification of Agriculture |
| bfa.com.au | Organic Farming/Product Certification with Biological Farmers of Australia |
| llaff.org | Linking Land and Future Farmers (LLAFF) |
| ifoam.org | International Federation of Organic Agriculture Movements |
| hawaiiorganicfarmers.org | Hawaii Organic Farmers Association |
| massfarmstands.com | Massachusetts Association of Roadside Stands |
| massfarmbureau.com | Massachusetts Farm Bureau Federation, Inc. |
| mass.gov | Century Farms |
United States , Virginia , Herndon