Viticulture Roundtable of Southwestern Ontario
- An association of commercial grape growers with the aim of promoting professional viticulture, vineyard management, grape varieties, IPM, disease tolerance, environmental issues and growers' seminars.
- http://www.ontariograpes.com/

Erie Shore Vineyard
- Family-operated producer of estate-grown wines. Contains a brief profile and information about upcoming events.
- http://www.erieshore.ca/

Colio Wines
- Produces and sells a wide selection of quality VQA wines, gift packages, corporate gifts, wine accessories and non-alcoholic sparkling products.
- http://www.colio.com/