Founded in 1997, Omnisystem is a metering and remote-reading specialist whose core businesses are remote metering systems, credit-card manufacturing, and lighting.
The company operates manufacturing facilities in Yeoju, Mokpo, and Asan, and its MMV metering division is expanding into Asian markets through a factory in Vietnam.
The company describes itself as having developed Korea's first digital five-type meters covering electricity, water, hot water, heat, and gas, giving it roughly a 50% share of the domestic civilian market.
Through its 2013 merger with Innerex, the company added credit-card manufacturing to its portfolio and now produces credit cards, IC cards, metal cards, and access cards, among other products. Its lighting division produces LED lighting, outdoor landscape lighting, and industrial lighting.
More recently, Omnisystem added electric-vehicle (EV) chargers and energy storage system (ESS) businesses to its corporate purpose, forming a dedicated EVC team and obtaining certifications for slow and fast chargers.
According to an April 2026 Dealsite report, these new businesses had generated roughly KRW 9bn in revenue since launch. The company is the first listed entity acquired by Bio Smart Group and is regarded as a platform affiliate that has supported the group's fundraising and investment activities during its expansion.
In the domestic metering market, competitors such as PSTEC are often mentioned alongside Omnisystem within smart-grid and smart-city themes.