D-ENERGY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

27.12.Z - Manufacture of electrical distribution and control apparatus

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

43.99.Z - Other specialized construction works, not classified elsewhere

46.90.Z - Non-specialized wholesale trade

70.22.Z - Head office activities and management consultancy

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified