1) Jerzy Zalewski Instalacje Sanitarne C.O. i Gaz, Roboty Ogólnobudowlane 2) HYDRO-INSTAL ZALEWSCY S.C.

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

42.21.Z - Works related to construction oftransmission pipelines and distribution networks

43.11.Z - Demolition

43.12.Z - Site preparation

43.21.Z - Electrical 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

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

46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies

47.52.Z - Retail sale of hardware, paints and glass in specialised stores