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CSS Farms is a diversified producer of vegetable crops as well as row crops and small grains with operations across the United States.

The Colorado City greenhouse produces several million minitubers each year. A state-of-the-art greenhouse, tissue culture laboratory, and five climate control cold storages allow us to fill custom orders of any size for field planting any time of the year.

Caithness Potatoes is a producer of seed potatoes and potatoes for consumption located in Scotland.

Caledonia Potatoes is a substantial breeder and producer of seed and ware potatoes based in and around Perthshire, Scotland.

Canadian Eastern Growers is a family owned business nestled in the rolling hills just outside Drummond New Brunswick.

Carl Bleyert Handelsgesellschaft mbH is a German family-owned potato wholesale company based in Dortmund. The company supplies table potatoes, seed potatoes, onions, and road salt to specialty retailers, restaurants, and institutional kitchens across North Rhine-Westphalia.

Carleton County Spud Distributors Ltd. market their own potatoes and other local growers potatoes, and buy from P.E.I., Quebec, Ontario and Maine. The potatoes are distributed throughout mostly the eastern United States and Canadian seaboard.

The Central Potato Research Institute is a governmental organisation in India with a mandate focused on potato research and the supply of disease free basic seed material for further propagation.

Cobbelsdorf-Fläming-Kartoffel Handels-GmbH is a German seed potato trading company based in Coswig (Anhalt), Saxony-Anhalt. Since 1992, the company has specialized in the multiplication and distribution of seed potatoes to agricultural businesses, garden markets, and private growers.

Coldahold Cold Storage is an Australian enterprise that specializes in the storage and management of seed potatoes, onions, and carrots.

Colorado State University (CSU) is recognized as one of the premier research institutions and routinely ranks in the top of all American Universities in research expenditures.

Comercializadora Andaluza de Patatas is a fruit and vegetable marketing company in western Andalusia, Spain. The company offers the best range of potatoes, from seed potatoes to consumption from the farm, based on client requirements.

Comptoir du Plant is a company specialized in the production and the supply of seed potatoes. They offer a personalized variety advice to answer each customer expectation.

Cooperativa Santa Isabel is a Spanish Seed Potato Producer of Agria, Spunta, Kennebec, Monalisa, Kondor, Baraka, Red Pontiac, Desiree, Romano, Agata, Arran banner, Valnera, Melibea, Nela, Jimena and Jaerla

Coopérative Agricole de Noirmoutier is a potato growers cooperation on the French island Noirmoutier. They are well known for the premier variety La Bonnotte.

Courtier Nordany Broker Inc is recognized as one of the leading suppliers of potato seeds in Quebec. Our team works hard to serve an established clientele in the different regions of Quebec, Canada and the United States, by offering a range of potato varieties with diverse characteristics.

Cullen Allen is one of the longest established potato businesses in the UK, specialising in production and marketing of seed potatoes from Scotland and Northern Ireland.

Cygnet PB is Britain's biggest potato breeder and one of the largest seed potato growers in the country.