ASIO Ltd. is an engineering contractor dealing in design, project management and supply of technologies for waste water treatment, water treatment and air treatment. We have also development activities and co-operate with various research and development institutions, when preparing new technologies. ASIO Ltd. has built up a large network of customers throughout Europe and it has specialised manufactures working with up-to-date technologies. Together with system of quality control certified according to international ISO 9001 norm, ASIO Ltd. is the guarantee of products and services with high quality standard. The network of customers and suppliers forms the association of ASIOGROUP.ASIO Ltd. has own subsidiary companies in Slovakia, Hungary, Romania, Ukraine and Russia.