ELEKTRO-KAN JAN OLCZYK

43.21.Z - Installation of electrical systems

25.53.Z - Mechanical processing of metal parts

33.11.Z - Repair and maintenance of metal products

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

42.22.Z - Works related to the construction of telecommunications and electrical lines

43.12.Z - Site preparation for construction

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.99.Z - Other specialized construction works, not classified elsewhere

81.23.B - Other cleaning services, not elsewhere classified

81.30.Z - Landscaping services

95.21.Z - Repair and maintenance of electronic equipment for general use

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use