ETC Systemy Energii Odnawialnej Andrzej Sikora

71.20.C - Other technical testing and analysis

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

35.12.A - Wind power

35.12.B - Solar power

35.12.D - Biogas energy

35.12.F - Generation of electricity from other renewable sources

35.16.Z - Electricity storage

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

42.21.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

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

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

43.24.Z - Installation of other building systems

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

46.13.Z - Activity of agents involved in wholesale trade of wood and building materials

46.50.Z - Wholesale trade of information and communication technology devices

46.61.Z - Wholesale trade of agricultural machinery and additional equipment

46.64.Z - Wholesale trade of other machines and devices

46.83.Z - Wholesale trade of wood, construction materials, and sanitary equipment

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

68.11.Z - Buying and selling real estate on own account

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

68.12.C - Development of building projects

68.20.Z - Rental and management of own or leased real estate

70.20.Z - Business and management consultancy activities

71.11.Z - Architectural activities

71.12.B - Engineering activities and related technical consultancy

73.11.Z - Advertising agency activities

73.30.B - Other public relations and communications activities

74.14.Z - Other specialized design activities

77.32.Z - Rental and leasing of construction machinery and equipment

80.09.Z - Other security activities, not elsewhere classified