The GBC laminators are manufactured by General Binding Corporation. It was founded in 1947 in Chicago and was a big supplier of binding and lamination products. In 2005, it merged with ACCO Corporation forming ACCO Brands.
Now, ACCO Brands is the world largest supplier of office products and includes such brands as Quartet, FiveStar, Swingline, GBC, Mead, and many others.