ZENNER International GmbH & Co. KG, with headquarters in Saarbrücken, develops, produces and sells technology of metering and metrology for global markets. The product line includes apartment-, residential- and bulk-water meters, heat meters, gas meters and modern system technology such as radio-systems (wireless-bus, LPWAN for Internet of Things, GSM) and M-Bus systems. In 2016 Zenner was starting the transition path into the digitalisation with an own IoT-business (internet of things). Since 2018 Zenner is also offering full-integrated IoT-solutions from innovative sensor-devices over connectivity, fixed-networks up to IoT-cloud-services and IoT-applications for smart metering, smart utilitys and smart citys. Zenner customers primarily include power suppliers and public utilities, but also industrial companies, wholesalers and measurement service providers. ZENNER has own production facilities in Europe, Asia and the USA and is represented with 40 local companies all over the world. Founded in 1903, the company has been a member of the family-managed corporate group Minol-ZENNER since 2005. Around 4.250 employees work for ZENNER worldwide.