Nitto Kohki U.S.A., Inc. was founded in 1969 primarily to provide sales and services of machine & power tools, quick-connecting fluid couplings and compressors and pumps that are designed and manufactured by Nitto Kohki. Currently we have our sales office and 25,000 square feet stocking warehouse in Roselle, Illinois, to provide the quickest delivery and highest level of customer support for Nitto Kohki products.