3U Holding AG

3U Holding AG, together with its subsidiaries, provides telecommunication and information technology services in Germany and internationally. It operates in three segments: Information and Telecommunications Technology (ITC), Renewable Energies, and Heating, Ventilation, and Air Conditioning (HVAC). The ITC segment offers voice retail, voice business, and data center and managed services, and trades in IT licensing. The Renewable Energies segment develops wind power projects and generates electricity from its wind and solar plants, while the HVAC segment sells and distributes heating, ventilation, and air conditioning systems to wholesalers, tradespeople, and DIYers through its online stores. Founded in 1997, the company is headquartered in Marburg, Germany.