在美洲

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.

MBAgriculture is a Brazilian company of territorial management, representation, consultancy and assistance in Agricultural Import and Export applied to agribusiness.

McCain Farms Seed Operations is a supplier of seed potatoes

McCain Produce grows and sells seed potatoes globally. The company also sells table potatoes in Canada

Meadow Ridge Enterprises Ltd. is a seed potato grower from Saskatchewan, Canada.

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.

National Institute of Seeds (INASE) objective is to promote an efficient activity of production and commercialization of seeds, to ensure to the agrarian producer the identity and quality of the seed that they acquire and to protect the property of the phytogenetic creations.

The State Seed Department is the state’s official seed certification agency. The Field Seed Program is responsible for management of all processes involved in the production of certified seed from field inspection

Northern Konstar (Seed) Potatoes Ltd. started of as a premium seed potato producing company in 2000.

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.

Pleasant Valley is a family-owned and operated and committed to potato growing, packaging, and shipping company, founded in 1988 through a collaboration of four established family farms: Kim Wahlen Farms, Val Wahlen and Sons, B.J. Christensen and Sons, and Gehring Ag.