Process measuring and control technology / Analysis and laboratory techniques
Fittings
Construction, maintenance and rehabilitation of water supply and sewerage systems
Pumps
Ducts, pipes and sewers
Construction of water and wastewater treatment plants / Hydraulic engineering and well construction
Vehicles and superstructures / Street cleaning, maintenance, and winter road services
Refuse treatment and recycling / Recycling, conditioning and utilization of secondary raw materials / management of hazardous substances / suatainability in road construction
Generating energy from secondary raw and waste materials / Flue-gas scrubbing and air extraction, air-pollution control
Refuse collection and transport
Services / Consulting and engineering services / Information technology
