The core activity of Kanal Top AG is sewer cleaning and maintenance, including: cleaning and drainage of pipes, ducts and shafts; suction and flushing work in apartments, houses and industrial plants; street and square cleaning; emptying of shafts, slot systems and separators; sewer TV inspections; milling work for root growth and lime deposits; disposal of wastewater and sludge at regional reception facilities. The company also offers consulting and emergency services and has specialized vehicles for the various tasks.