PRZEDSIĘBIORSTWO HANDLOWO-USŁUGOWE "INSTALPTAK" GRZEGORZ PTAK

71.20.B - Other technical testing and analysis

42.91.Z - Works related to construction of water projects

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.12.Z - Site preparation

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

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

85.59.A - Teaching of foreign languages

85.59.B - Other out-of-school forms of education, not elsewhere classified

96.09.Z - Other personal service activities not elsewhere classified