ERA OZE MARIUSZ OLEJNIK

71.12.Z - Engineering activities and related technical consultancy

35.11.Z - Production of electricity

41.20.Z - Building works related to erection of residential and non-residential buildings

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

46.43.Z - Wholesale of electrical household appliances

46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof

46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies

47.54.Z - Retail sale of electrical household appliances in specialised stores

66.19.Z - Other activities auxiliary to financial services, except insurance and pension funding

71.11.Z - Architectural activities

85.59.B - Other out-of-school forms of education, not elsewhere classified

85.60.Z - Educational support activities