"TECH-INSTAL" TECHNIKA INSTALACJI GRZEWCZO-SANITARNYCH WOJCIECH KOWALCZYK

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

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

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

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

43.34.Z - Painting and glazing

43.39.Z - Specialized construction works

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

47.91.Z - Intermediary retail sale, non-specialized

80.20.Z - Detective and security activities