Czesław Żak FIRMA HANDLOWO USŁUGOWA ELZAK

71.12.Z - Engineering activities and related technical consultancy

33.14.Z - Repair and maintenance of electrical equipment

42.12.Z - Works related to construction of railways and underground railways

42.13.Z - Works related to construction of bridges and tunnels

42.22.Z - Works related to construction of telecommunications and electricity lines

43.12.Z - Site preparation

43.21.Z - Electrical installation

43.31.Z - Plastering

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof

85.59.B - Other out-of-school forms of education, not elsewhere classified