"WALTER" Wojciech Zakrzewski

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

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical equipment

33.19.Z - Repair and maintenance of other equipment

35.11.Z - Production of electricity

35.30.Z - Steam, hot water and air conditioning manufacturing and supply

36.00.Z - Water collection, treatment and supply

37.00.Z - Sewage disposal and treatment

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

43.21.Z - Electrical installation

43.99.Z - Other specialised construction activities not elsewhere classified

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

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

71.12.Z - Engineering activities and related technical consultancy

95.22.Z - Repair and maintenance of household appliances and home and garden equipment