This exhibition/conference is open for all companies, including organizations with products/services or topics related to the following : Drilling equipment, Well construction and repair, Well monitoring, Process-water and rain-water harvesting, Sea-water desalination, Rainwater collection, Machinery and equipment for irrigation and drainage, Mechanical-physical processes, Separator systems, Rakes, screens, filters, Sewage treatment plants, Chemical-physical processes, Biochemical processes, Treatment of sludge and residues, Pipes /pipelines, Shafts/special structures/techniques, Sewer construction and rehabilitation, Sewer inspection, cleaning and maintenance, Pumps, lifting tackle, Outlets and fittings, Fittings/valves, Water pipeline cleansing, Refuse sorting, collection and transport, Vehicles and superstructures, Urban road cleaning and maintenance machines, Refuse treatment (mechanical, biological and thermal treatment) and recycling, Treatment and disposal of hazardous waste, Treatment and disposal of infectious medical waste, Treatment and recycling of electronic waste, Landfills, Plants and equipment for the recycling and utilisation of raw materials, General purpose equipment, devices and accessories, Transmission engineering, fluid technology and power generation units, Accessories and wear parts, Biogas plants/fermentation, components, Utilization of landfill gas, Substrate processing, transport and feed systems, Gas transport, treatment and utilization, Treatment of fermentation waste materials, Biomass logistics, Heat recovery from waste water, Waste heat and waste pressure utilization, Energy saving and emission reduction result display, Industrial energy saving technologies and equipments (primary and secondary processes), Energy saving services and energy management contracts, Other energy saving technologies and products, Registration, evaluating and monitoring contaminated soil, groundwater and buildings, Treatment of contaminated soil, Treatment of contaminated groundwater, Flue- gas scrubbing and air extraction, Noise reduction / Sound insulation, Measuring technology, Analysis/laboratory technology, Control technology, Process technology for water, sewage, refuse and air, Disposal services, Water-supply and sewage-disposal services, Engineering services, environmental management, eco-auditing, Financing and PPP (Public Private Partnership), Computer hardware and software, Analysis laboratories, Aid organization, Trade associations and institutions, Research institutes/Universities, Specialty publishers, trade literature, databases.

Business visitors like governmental authorities, municipalities, communal providers and disposal companies, public and private city cleaning enterprises, energy supply and energy transport companies, trade and service companies, experts, scientists, engineers and much more.