- Business
- Onamba Co., Ltd. Onamba Co., Ltd. manufactures and sells electronic components, general-purpose electric wires, and communication cables for consumer electronic devices, information office equipment, and industrial electronic devices primarily in Japan with global production bases. The company offers wires and cables for machine internals; coaxial cables; cables for medical, antibacterial, solar power generation, fixed, and moving applications; environmentally friendly eco wires; various types of wire harnesses for automobiles, industrial equipment, and consumer products; photovoltaic wiring units; junction boxes; branch boxes, extension, and crossing cables for solar systems; connectors; harness processing machinery and parts; remote solar power plant monitoring and control systems including PVU-Finder, a photovoltaic intelligent monitoring and control system linked to 3,500 plants totaling 3.2GW capacity; storage battery monitoring systems; and air conditioning control systems such as E&E-Solution, a self-consumption integrated system. Founded in 1941 and headquartered in Osaka, Japan, Onamba operates through four major segments—wire harnesses, harness processing machinery and parts, renewable energy resources, and wires and cables—with approximately 140 employees at headquarters and 4,000 group-wide, including subsidiaries and affiliates in seven overseas countries such as China, Thailand, Mexico, Malaysia, Indonesia, Vietnam, Cambodia, Singapore, the Czech Republic, and the United States. In May 2024, Onamba concluded a business alliance agreement with Univers to integrate its Japanese market monitoring expertise, including PVU-Finder, with Univers' EnOS IoT energy optimization platform, enhancing cybersecurity, edge computing, cloud AI controls for multi-source renewable operations involving power, loads, batteries, and EVs, and accelerating carbon-neutral solutions in Japan. The company maintains listings on the Tokyo Stock Exchange Standard Market under ticker 5816 and continues to emphasize environmentally friendly products and integrated production from development to mass production across its global network.