WIESEMAN & THEIS GmbH, headquartered in Wuppertal, has been developing and producing innovative products for industrial automation and measurement technology since 1980. The company focuses on digital and analog input and output modules, as well as control and regulation technology, often with an emphasis on network communication. The portfolio includes a wide range of devices, such as web I/O products, digital signal converters, and specialized bus systems. These are used in various industries such as mechanical engineering, process automation, and logistics to enhance efficiency and reliability. Custom adaptations are a core competency.