Hitachi Power Tools (Hitachi Koki USA, Ltd) offers an extensive line of professional grade power tools and accessories for woodworking, metalworking, drilling and fastening, concrete drilling and cutting, outdoor power equipment products as well as a complete line of pneumatic nailers, staplers, compressors and collated fasteners. Hitachi Koki USA, Ltd. is the North American division of Hitachi Koki Japan, a subsidiary within Hitachi Ltd.