SŁAWOMIR ŚLĘZAK Elserwis

43.21.Z - Installation of electrical systems

27.33.Z - Manufacture of installation equipment

33.12.Z - Repair and maintenance of machinery

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

33.14.Z - Repair and maintenance of electrical devices

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

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

42.11.Z - Works related to the construction of roads and highways

42.12.Z - Works related to the construction of railways and underground railways

42.13.Z - Works related to the construction of bridges and tunnels

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

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

42.91.Z - Works related to the construction of water engineering objects

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.24.Z - Installation of other building systems

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

46.14.Z - Activity of agents involved in wholesale trade of machinery, industrial equipment, ships, and aircraft

46.47.Z - Wholesale trade of furniture for home, office, and shop use, carpets, and lighting equipment

46.64.Z - Wholesale trade of other machines and devices

49.41.Z - Road freight transport

62.10.B - Programming activities

62.90.Z - Other IT and computer-related services

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

68.12.C - Development of building projects

70.20.Z - Business and management consultancy activities

71.12.B - Engineering activities and related technical consultancy

71.20.C - Other technical testing and analysis

72.10.Z - Scientific research and development in natural and technical sciences

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

85.59.D - Other non-school forms of education, not classified elsewhere

85.69.Z - Educational support activities, not classified elsewhere

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