Wagenaar Aardappelverwerking B.V. is a potato processing and packing company headquartered in Dirkshorn, North Holland, Netherlands.

Wilhelm Weyers is a German company packing potatoes and onions. Located centrally in a growing area, in the municipality of Weeze, numerous regional farmers supply the company with potatoes and onions.

William Wrinch Farm grow root crops like potatoes and onions potatoes for the pre-pack market.

Wolds Produce is a major potato supplier into the crisping, chipping, ware, catering and seed industries. Buying and selling across the UK, they have a large base of experienced growers that continues to increase year on year.

Wouw Agro is a Dutch agribusiness that specializes in the production, processing, and logistics of arable commodities such as potatoes, onions, carrots, and red beet.

Yapro Europe Ltd. is a subsidiary of Yapro Group.

Zanarini Srl is an independent family business. Zanarini does commerce and distribution of agricultural raw materials. Potatoes are one of their core products.

Zeleninárska s.r.o. is actively involved in the potato industry, specializing in the cultivation, processing, and distribution of high-quality potatoes for retail and commercial markets.