BIURO INŻYNIERYJNE "EL-SYSTEM" PIOTR ŁYSAKOWSKI

43.21.Z - Installation of electrical systems

33.12.Z - Repair and maintenance of machinery

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

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

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

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

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

62.10.B - Programming activities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

71.12.B - Engineering activities and related technical consultancy

74.13.Z - Interior design activities

74.14.Z - Other specialized design activities

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

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