Bartosz Welke Instalacje Światłowodowe

43.21.Z - Electrical installation

41.10.Z - Realization of building projects related to erection of buildings

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

43.11.Z - Demolition

43.12.Z - Site preparation

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

43.31.Z - Plastering

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

52.21.Z - Service activities incidental to land transportation

52.24.A - Cargo handling in sea ports

52.24.B - Cargo handling in inland ports

52.24.C - Cargo handling in other reloading points

61.10.Z - Wired telecommunications activities