WALDEMAR MICHALAK "E-SERWIS"

33.14.Z - Repair and maintenance of electrical equipment

33.20.Z - Installation of industrial machinery and equipment and outfit

43.21.Z - Electrical installation

43.29.Z - Other construction installation

47.91.Z - Retail sale via mail order houses or via Internet

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

81.21.Z - General cleaning of buildings

81.22.Z - Specialised building and industrial cleaning activities

81.29.Z - Other cleaning activities