"SEJS" JANUSZ SERWACH INSTALATORSTWO ELEKTRYCZNE-USŁUGI

43.21.Z - Electrical installation

33.14.Z - Repair and maintenance of electrical equipment

41.20.Z - Building works related to erection of residential and non-residential buildings

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

43.29.Z - Other construction installation

43.31.Z - Plastering

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

46.73.Z - Wholesale of wood, construction materials and sanitary equipment

47.99.Z - Other retail sale not in stores, stalls or markets