INSTAL JANUSZ KRZEMIŃSKI

43.21.Z - Installation of electrical systems

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

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

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

43.29.Z - Specialized construction works

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

43.39.Z - Specialized construction works

43.91.Z - Masonry works

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

80.20.Z - Detective and security activities

93.21.Z - Amusement park and theme park activities

93.29.A - Escape rooms, haunted houses, dance venues, and other entertainment or recreational activities organized in enclosed spaces

93.29.B - Other entertainment and recreational activities, not elsewhere classified

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