PTWK SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

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

46.69.Z - Wholesale trade

64.92.Z - Other forms of credit granting

64.99.Z - Other financial services, except insurance and pension funds, not elsewhere classified

68.10.Z - Real estate activities on own account and development of building projects

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified