1. Zakład Kominiarski Bartosz Piotrowski 2. Zakład Kominiarski BiB Piotrowscy s.c.

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

43.11.Z - Demolition and destruction of buildings

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

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

43.91.Z - Masonry works

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

71.20.C - Other technical testing and analysis

81.21.Z - General cleaning of buildings

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

81.23.B - Other cleaning services, not elsewhere classified

85.59.D - Other non-school forms of education, not classified elsewhere

96.91.Z - Home services for individuals