STARK, a builders' merchant, agreed to acquire Tröger & Entenmann, rovider of water and gas supply and wastewater disposal solutions. Financial terms were not disclosed. "By taking over the business activities of the Tröger & Entenmann group of companies, we are enormously strengthening our network and our service and service competence. We warmly welcome our 170 new colleagues and look forward to the forthcoming cooperation,” Michael Knüppel , STARK Deutschland CEO.