Steel Fittings USA, LLC is a privately held company committed to manufacturing the highest quality flanges and fittings for industry at competitive prices. Steel Fittings has satisfied customers for over 20 years with fast delivery of both custom and standard flanges & fittings.  During late 2009, we expanded into a 16,000 sq.ft. facility which has enabled more efficient manufacturing and expanded inventories of forgings and finished products.  Our strength is consistent product quality and customer service.