Eisenga Kaas is a fifth-generation Dutch family-owned cheese wholesaler based in Oosterwolde, Friesland, with roots dating back to the 18th century. Originally starting as barge skippers transporting butter and cheese, the Eisenga family transitioned fully into cheese trading in the late 19th century, laying the foundation for the modern business. Today, brothers Ruud and Henk Eisenga lead the company, combining long-standing heritage with a contemporary entrepreneurial approach. Eisenga operates as a leading cheese wholesaler, specialising in the ripening, distribution, and development of Dutch and international cheeses, while also supporting independent retailers and private-label concepts. With deep expertise in maturation and logistics, the company continues to build on centuries of Dutch cheese trade tradition.