CENTRUM TECHNIKI GRZEWCZEJ I SANITARNEJ MACIEJ JERZY KALWAS

46.73.Z - Wholesale trade of motorcycles and parts and accessories for them

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

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

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

46.74.Z - Wholesale trade

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

47.91.Z - Intermediary retail sale, non-specialized

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

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

74.10.Z - Specialized design activities

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

81.22.Z - Other cleaning of buildings and industrial premises

81.29.Z - Services related to maintaining buildings and landscaping

81.30.Z - Landscaping services

86.90.D - Healthcare

86.90.E - Healthcare

45.11.Z