Wulff-Yhtiöt Oyj engages in the sale and marketing of office supplies. It operates through the Contract Customers and Expertise Sales segments. The Contract Customers segment offers office supplies, information technology supplies, and international fair services. The Expertise Sales segment provides office supply specialties, information technology products as well as ergonomics and first aid products. The company was founded by Thomas Fredrik Wulff in 1890 and is headquartered in Vantaa, Finland.