BITNIEROWSKI GRZEGORZ PROSERV

43.21.Z - Installation of electrical systems

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical 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

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

43.11.Z - Demolition and destruction of buildings

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

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

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

43.91.Z - Masonry works

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

62.10.A - Programming activities

62.10.B - Programming activities

62.20.B - IT consulting and IT equipment management activities

71.12.B - Engineering activities and related technical consultancy

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

95.29.Z - Repair and maintenance of personal and household goods, not elsewhere classified

95.31.A - Mechanical repair and servicing of motor vehicles, excluding motorcycles