Gyártók, Kereskedők, Beszállítók

Blumberg engineers (Ingenieurbüro Blumberg) is an international consultancy firm providing services like planning and design, tendering and construction supervision for ecotechnologies (constructed wetlands, reed bed sludge treatment, natural stormwater treatment systems, green wetlands, floating islands, natural swimming pools and wetland restoration).

Rhizotech, a nursery delivering marsh plants for ecological engineering projects like constructed wetlands, soil filter systems for stormwater treatment, reed plants for sewage sludge dewatering and mineralization, floating islands for treatment wetlands and green roofs with marsh plants. (Phragmites, Typha, Cyperus, Schoenoplectus and other helophyte species for treatment wetlands).