AKV Langholt (Andelskartoffelmelsfabrikken Vendsyssel) is a Danish manufacturer of Potato Starch. AKV Langholt AmbA operates a Joint Venture with Cargill for the production of modified potato starch for non food applications.
Avebe is a main manufacturer of potato starch, located in the Netherlands. Avebe sells native and modified potato starch as well as potato protein globally for use in food, feed, paper, building, textiles and adhesives industries.
Emsland Group or Emsland Staerke; Emsland-Stärke GmbH is Germany's largest producer of potato starch. The company also manufactures dehydrated potato flakes and granules. 
Finnamyl is a Finnish potato starch manufacturer, part of the CIBA concern (Raisio). Finnamyl also offers organic potato starch.
HOFF Norske Potetindustrier is a Norwegian agricultural cooperative processing and distributing potatoes and potato products.
The history and legacy of Idaho Frank Associates, Inc. (IFA) spans the past 60 years. Idaho Frank Associates has built a unique worldwide reputation as a highly specialized source for dehydrated potato products with an unsurpassed network of distribution and supply.
Inner Mongolia Top starch is a supplier of fresh potato,native potato starch, potato flakes, potato granules, modified starch(alpha starch and other modified), potato protein and potato dextrin
Kemin Industries is a manufacturer of nutritional ingredients. we have them listed mainly because of one specific potato derived product: Slendesta. 
KMC started as a producer of potato starch and potato flakes, located in Denmark. KMC has subsequently made regular additions to its range of products, and they now supply special ingredients to customers all over the world – primarily in the food sector but also in the manufacturing industry.
Meelunie is a global supplier of agricultural ingredients, including (potato) starch and protein.

Help