Molenaar Aardappelen is a Dutch family-owned wholesale company based in Haarlem and Oudkarspel, specializing in potatoes and fresh vegetables. With a history dating back to 1937, the company supplies a wide range of potato varieties, including consumption potatoes, peeled potatoes, and bulk supply for food service and processing industries.

It operates as a B2B supplier, sourcing fresh produce directly from farmers and auctions to ensure quality, freshness, and competitive pricing. Molenaar also handles storage, packaging, and distribution, serving customers such as wholesalers, retailers, horeca suppliers, and potato processing units.

The company is known for its strong supply chain efficiency, regional sourcing, and consistent year-round availability of potatoes and vegetables for the Dutch and European market.