Jan-Christoph Maiwaldt

Power Plus Communications AG provides broadband power line communication technology for energy grid sector. Its products deliver broadband connectivity over both power line and wireless infrastructure. The company’s solution uses the existing low- and medium voltage grid infrastructure to deliver broadband connectivity, which allows for a real-time, bidirectional, reliable and cost-effective data communication. The firm’s products include voltage regulated distribution transformers, smart meter gateways and BPL modems. The company was founded by Ingo Schönberg and Eugen Mayer in 2001 and is headquartered in Mannheim, Germany.

UIS Beteiligungs GmbH provides asset management services. The company is based in Hamburg, Germany. The CEOs of the German company are Andreas Goppelt and Jan-Christoph Maiwaldt.

noventic GmbH operates as a holding company, which engages in the development and marketing of information technology solutions for the collection, management, usage, and distribution of data for the optimal management of buildings. It offers a networked infrastructure for measurement services, measuring devices and systems for the recording and billing of water and heating, as well as communications technologies for the digitalization of energy use. The company is headquartered in Hamburg, Germany.

Enetty Holding GmbH provides building fiber optic networks, network consultancy and project management services. It offers solutions for project management, planning, mounting, operating procedures, marketing and services, consulting, rental, and focuses on telecommunication services. The company was founded by Harald Ross in 2009 and is headquartered in Essen, Germany.

KALORIMETA AG & Co. KG provides installation, billing and measuring services for residential smoke detectors, alarm, and smart meters. Its services include heating and operating cost accounting, measuring and calibration legislation, and consumption analysis. The company was founded in August 1953 and is headquartered in Hamburg, Germany.

Galeria Karstadt Kaufhof GmbH operates department stores. The company also develops and manages an Internet portal for the sale of various products. It offers men's and women's apparel, shoes, accessories, cosmetics, leisure and sports goods, furniture, household products, as well as home appliances and electrical devices. The company was founded by Rudolph Karstadt in 1881 and is headquartered in Essen, Germany.