Tespro is a manufacturer of industrial communication and IoT devices, founded in 2002. Its portfolio includes industrial routers, industrial and AI edge computing gateways, protocol converters, DTUs (data transfer units) for automatic meter reading, optical probes and meter test benches, the TesproOS operating system, and the SEMS cloud-based smart energy management platform. It designs and manufactures in-house in Zhuhai, China, offers OEM/ODM services, and serves utilities, industrial automation and smart city customers in many countries.