RING GROUP SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

43.24.Z - Installation of other building systems

28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

35.12.A - Wind power

35.12.F - Generation of electricity from other renewable sources

35.13 - Transmission of electricity

35.13.Z - Transmission of electricity

43.21.Z - Installation of electrical systems

43.50.Z - Specialized construction works in the field of civil and water engineering