Konrad Hoja Hojus Usługi Ogólnobudowlane

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

16.10.Z - Sawmill products, wood processing and finishing

16.21.Z - Production of veneer sheets and wood-based panels

16.22.Z - Production of pre-finished wood flooring

16.23.Z - Production of other carpentry and joinery products for construction

16.24.Z - Wood packaging production

16.29.Z - Wood and cork product manufacturing, excluding furniture, production of products from straw and materials used for weaving

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

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

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

46.71.Z - Wholesale trade of motor vehicles

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms