Knoll designs and manufactures a range of furniture products and textiles. The company has been in operation since 1938 and specializes in office systems. It offers a variety of storage units, chairs, tables and desks. The company serves clients throughout North America. It has more than 300 dealerships and over 90 showrooms and regional offices. Knoll has received ISO 14001 certification. The company also offers a selection of accessories under the KnollTextiles and KnollExtra brands. In addition, it provides home office furniture and dining, side and coffee tables under the Knoll Space collection. Knoll s subsidiaries include Knoll International U.K. and Knoll International.