<Fastener Division> We manufacture precision screws, self-tapping screws, lock screws, and other fasteners, as well as dissimilar metal joints and cold-formed fastening components, boasting world-class production capabilities. In addition to integrated screw production, we also manufacture screw manufacturing tools, in-house screw manufacturing machines, and driver bits. <Assembly Machine Division> We offer screw tightening-related equipment such as drivers, arm drivers, single-axis and multi-axis screw tightening machines, screw tightening robots, screw tightening units for collaborative robots, and screw feeders, as well as crimping machines and special assembly devices tailored to customer applications. As a pioneer in automatic screw tightening machines, we leverage our accumulated technology and expertise to propose the optimal assembly method for our customers. <Control Systems Division> Since we began working on water meters in 1949, we have delivered various flow meters to a wide range of industries. In addition to flow meters, we offer a lineup of high-performance products, including fluid measurement equipment, inspection and cleaning devices, and ground investigation equipment, to meet the needs of our customers' manufacturing processes. <Medical New Business Division> We have established a dedicated cleanroom factory for the manufacture of medical devices and obtained the necessary licenses and approvals for sales.

※In alphabetical order※ ■Domestic■ <Fastener Division> AISIN CORPORATION, ALPS ALPINE CO., LTD., Astemo, Ltd., Canon Inc., Daihatsu Motor Co., Ltd., DENSO CORPORATION, Furukawa Electric Co., Ltd., GS Yuasa Corporation, Hitachi, Ltd., Honda Motor Co., Ltd., IHI Corporation, Joyson Safety Systems Japan Co., Ltd., KYOCERA Corporation, Makita Corporation, Mazda Motor Corporation, MinebeaMitsumi Inc., MITSUBA Corporation, Mitsubishi Electric Corporation, NIDEC CORPORATION, Nikon Corporation, Nintendo Co., Ltd., Olympus Corporation, OMRON Corporation, Panasonic Corporation, SHIMANO INC., Sony Corporation, Subaru Corporation, Sumitomo Wiring Systems, Ltd., Toyota Boshoku Corporation, Toyota Gosei Co., Ltd., Toyota Industries Corporation, Yazaki Parts Co., Ltd. <Assembly Machine Division> Aichi Tokei Denki Co., Ltd., AISIN CORPORATION, Ashimori Industry Co., Ltd., Astemo, Ltd., Canon Inc., DaikyoNishikawa Corporation, Dainichi Co., Ltd., Daiwa House Industry Co., Ltd., DENSO CORPORATION, Enegate Co., Ltd., FANUC CORPORATION, Harmonic Drive Systems Inc., HOSEI BRAKE INDUSTRY CO., LTD., IHI Corporation., KOITO MANUFACTURING CO., LTD., KYOCERA Corporation, MITSUBA Corporation, Mitsubishi Electric Corporation, Nissan Motor Co., Ltd., NISSIN MANUFACTURING GROUP CO., LTD., Paloma Co., Ltd., Panasonic Corporation, STANLEY ELECTRIC CO., LTD., TDK Corporation, Toshiba Corporation, Toyogasmeter Co., Ltd., TOYOTA BOSHOKU CORPORATION, Toyota Gosei Co., Ltd., Toyota Motor Corporation, Yamada Manufacturing Co., Ltd., YASKAWA Electric Corporation, Yazaki Energy Systems Corporation <Control Systems Division> AGC Inc., Asahi Kasei Corp., Biofermin Pharmaceutical Co., Ltd., Bridgestone Corporation, DAIKIN INDUSTRIES, LTD., DIC Corporation, Fuserashi Co., Ltd., IHI Corporation, Japan Marine United Corporation, Kawasaki Heavy Industries, Ltd., Kewpie Corporation, Kikkoman Corporation, Kubota Corporation, Mazda Motor Corporation, MEIDOH Co., LTD. Meiji Co., Ltd., Mitsubishi Chemical Corporation, Mitsubishi Heavy Industries, Ltd., MIURA CO.,LTD., NIPPON STEEL CORPORATION, Nitto Denko Corporation, Osaka Gas Co., Ltd., Sanyo Chemical Industries, Ltd., Shin-Etsu Chemical Co., Ltd., Sumitomo Chemical Industry Company Limited, Takeda Pharmaceutical Company Limited, Takuma Co., Ltd., The Kansai Electric Power Company,Incorporated, TOAGOSEI CO.,LTD., Toho Gas Co., Ltd., Toyota Motor Corporation, TSUNEISHI SHIPBUILDING Co., Ltd. ■Overseas■ <Fastener Division> Denso (Thailand) Co., Ltd., Janome Taiwan Co., Ltd., Konica Minolta Technologies (M) SDN BHD, Leica Camera AG, Mahr GmbH, Mitsuba Sical India Pvt. Ltd., Mitsubishi Electric Consumer Products (Thailand) Co., Ltd., Murakami Ampas (Thailand) Co., Ltd., Omron Malaysia SDN BHD, Panasonic Automotive Systems Asia Pacific Co., Ltd., PT. Aisin Indonesia, etc., totaling 24 companies <Assembly Machine Division> Denso Manufacturing, Tennessee, Inc., IHI TURBO (THAILAND) CO., LTD., LG Electronics, LS Automotive Technologies, North American Lighting, Inc., PT DENSO MANUFACTURING INDONESIA, Samsung Electronics Co., Ltd., Seagate Technology International, SK ON Co., Ltd., SL Corporation, etc., totaling 24 companies <Control Systems Division> Chang Chun PetroChemical Co., Ltd., Colgate-Palmolive (Thailand) LTD., CSBC Corporation, Taiwan, Formosa Plastics Corporation, Hitachi Plant (Vietnam) Co., Ltd., Honda Vietnam Co., Ltd., Hyundai Heavy Industries Co., Ltd., Hyundai Mipo Dockyard Co., Ltd., Hyundai Motor India Ltd., Hyundai Samho Heavy Industries Co., Ltd., etc., totaling 23 companies