INSTALATORSTWO SANITARNE I C.O CZESŁAW CISZEWSKI

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

42.91.Z - Works related to the construction of water engineering objects

43.12.Z - Site preparation for construction

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

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

47.19.Z - Retail trade

47.25.Z - Retail trade of alcoholic and non-alcoholic beverages

47.30.Z - Retail trade of fuel for motor vehicles

55.10.Z - Hotels and similar accommodation establishments

55.20.Z - Tourist accommodation and short-term accommodation facilities

55.90.Z - Other accommodation services

56.10.A - Food service activities

56.21.Z - Occasional preparation and delivery of food for external clients (occasional catering)

56.29.Z - Food service activities

56.30.Z - Beverage serving activities

63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

91.03.Z - Activities of libraries, archives, museums, and other cultural activities

45.20.Z

45.32.Z