Ko Scholtens and his son Joan run a 150 hectare arable farm on Kleiweg in Marknesse. In the construction plan with onions, sugar beets, wheat and carrots, there is of course also room for potatoes.

Schroeder Brothers Farms grows over 2200 acres of foundation and certified seed potatoes mostly in the Antigo area, but also in Suring, Mountain, Post Lake Pearson and Phlox. They grow over 20 varieties each year including reds, russets, chips and Frito Lay varieties.

Seed Origin International is a Potato Framing and product Manufacturer based in Indonesia.

Seethi Seed is active in the fields of crop seed, vegetable seed, plant growth regulators, and water solubles. The company provides seed potatoes across Pakistan.

Select Greens is an exporter of all Egyptianagricultural crops of fruits and vegetables globally. They expot frozen and fresh vegetables and fruits including potatoes and sweet potatoes.

Select'up thrives, headed by Joanny Dussurgey, Michel's son and on board 9 committed employees: field technicians, who work in the heart of the regions of production, and a dynamic sales team close to its customers.

Selectiebedrijf Kooi is a Dutch potato company specialized in the sale of seed potatoes.

Selkhozinvest is a Russian AgroIndustrial company in the Kaliningrad region, with a.o. activities in ware and seed potatoes, machinery, fertilizer. Selkhozinvest announced plans to build a potato processing plant in December 2007.

Sell-Fresh manages all of the First Potato Dynamics (FPD) group's exports to neighboring nations like Zimbabwe and Zambia.

Semagri Holland BV is a Dutch potato company specialized in the trade and development of potato varieties.

Semillas S.Z., a company with Chilean and Dutch capitals, has more than 40 years of experience in the production of high-quality, certified seed potatoes. They work exclusively in Chile with the genetics and varieties of HZPC

Semillas SZ is a subsidiary of the Dutch potato company HZPC Holland BV 

SENEGINDIA SA is a company specializing in the real estate construction and agriculture sectors.

Senselet Food Processing is a potato processing company in Ethiopia producing potato chips. The company was set up in 2015 by Veris to contribute to developing the potato value chain.

Sesur Seed and Export is a technical service company situated in the south of Spain.

Sevillana de Patatas is a leader company in the management of production, processing, commercialization and distribution of early potato.

SHAPE is a newly established enterprise that offers sustainable supply of full range of Egyptian fruits and vegetables ( fresh and processed ).

Shengyuan Potato Industry Co., Ltd. has a center for potato tissue culture, 2.7 ha of net house for minituber production and 200 ha of field for basic seed production. It can produce 8m plantlets, 10m minitubers, and 6,000 t of basic seed annually. And it also has 3,000 m2 of potato storage space.