1)T3 Projekt Piotr Andrysiak

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

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

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

43.29.Z - Specialized construction works

43.32.Z - Installation of building carpentry

43.39.Z - Specialized construction works

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

46.13.Z - Activity of agents involved in wholesale trade of wood and building materials

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

46.74.Z - Wholesale trade

70.22.Z - Head office activities and management consultancy

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

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

74.10.Z - Specialized design activities

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

82.99.Z - Other business support activities, not elsewhere classified

86.22.Z - Specialist medical practice

86.90.A - Healthcare