WORKERS INSTALACJE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

43.22.Z - Plumbing, heat and air-conditioning 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

42.91.Z - Works related to construction of water projects

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.12.Z - Site preparation

43.13.Z - Test drilling and boring

43.21.Z - Electrical installation

43.29.Z - Other construction installation

43.99.Z - Other specialised construction activities not elsewhere classified