Grape Growers of Ontario is a contributing member and/or sponsor of several agricultural and trade organizations.

Memberships:

• Agricultural Adaptation Council
• British Columbia Grapegrowers Association
• Canadian Horticultural Council
• Grimsby & District Chamber of Commerce
• Lincoln Chamber of Commerce
• Niagara-on-the-Lake Chamber of Commerce
• Ontario Agri-Food Education
• Ontario Agricultural Commodity Council
• Ontario Federation of Agriculture
• Ontario Fruit & Vegetable Growers’ Association
• President's Council
• St. Catharines-Thorold Chamber of Commerce
• St. Catharines Club
• Winegrape Growers of America

Sponsorships:

• Cuvee Award
• Grape King
• Grape Stomp
• In Stride Productions - Niagara Running Series
• International Cool Climate Chardonnay Celebration
• Lincoln Agricultural Society
• Lincoln Chamber of Commerce - OBAA
• Niagara Grape & Wine Festival - 2010 Niagara Wine Festival
• Niagara Peninsula Fruit & Vegetable Growers’ Association
• Official Guide to Wineries of Ontario
• Ontario Wine Awards
• Prince Edward County Winegrowers Association - Terroir Wine Festival
• Southwestern Ontario Vintners Association - Lake Erie North Shore Wine Festival