Tegel Projekt GmbH is a state-owned company of the State of Berlin, established to oversee the transformation of the former Berlin-Tegel Airport site. The company is responsible for developing "Berlin TXL – The Urban Tech Republic," a research and industrial park for urban technologies, and "Schumacher Quartier," a sustainable residential neighborhood. Its mandate includes planning, construction, site management, marketing, and public communication for these large-scale urban development projects.