They are the supplier of seed potato for ontario seed potato grower association.

Hilldale Potato Inc and Adams Seed Farm specialize in growing and exporting seed potatoes from their farm in New Denmark, New Brunswick.

The mission of Patate Lac-Saint-Jean, a cooperative of 5 member farms in Quebec Canada, is to research and develop potato cultivars to market quality seed potatoes to its customers.

Lane farm is specializing in Generation 3 (FY4) certified seed potatoes. Seed in grown in compliance with Oregon's strict seed certification standards, and this farm resides in an "isolated district", reducing disease and improving crop quality.

Maine Farmers Exchange has provided full service sourcing for tablestock, seed and processing potatoes for over 50 years

Manitoba elite farms is a seed potato grower from Winkler, Manitoba.

Martinez Farms raises certified seed potatoes in the San Luis Valley at an elevation of 7,683 (2342 m.) above sea level, in the southern part of the state of Colorado in the United States.

McCain Farms Seed Operations is a supplier of seed potatoes

Mountain View Packers is a potato shipper from New Brunswick, Canada.

Murphy's Seed Potatoes is a producer of quality potato seed and grain for the North American market. They are located on Prince Edward Island on the east coast of Canada.

OSPGA is an organization of Ontario potato seed growers and breeders who work collaboratively to support the SPUD Unit through the University of Guelph, liaison with CFIA inspectors regarding seed certification and with OMAFRA to promote the best quality Ontario grown seed with stewardly production practices.

Palmgren farm is located in Colorado, United States. They are growing seed potatoes and some range of organic potatoes.

Parkinson Foundation Seed Farm was created out of a demand for clean potato seed.

Parkland Seed Potatoes Ltd. is a potato variety marketing company introducing new Agrico potato varieties to Canada, the United States, and Mexico.

A.L. Pray & Son Potato Co. is a potato shipper from New Brunswick, Canada.

Price Farms Certified Seed, LLC has been selling certified seed for over a decade and has become very proficient in the production and sale of young generation potatoes.

Rockyview Elite Tubers is a family-run seed potato farm located about 30 kilometers northeast of Calgary, specializing in premium E1 and E2 seed potatoes. The farm combines onsite laboratory and greenhouse facilities with a closed-system approach to ensure high-quality production, storage, and preparation of seed potatoes.