GREGA BUD-USŁUGI BUDOWLANE KRZYSZTOF GREGA

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

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

43.35.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

81.22.A - Chimney, hearth, furnace, and ventilation duct cleaning

91.30.Z - Conservation and restoration activities and other supporting activities for cultural heritage