Przedsiębiorstwo Wielobranżowe "TEJ" Jan Tomaszek

33.14.Z - Repair and maintenance of electrical equipment

33.20.Z - Installation of industrial machinery and equipment and outfit

42.22.Z - Works related to construction of telecommunications and electricity lines

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

43.99.Z - Other specialised construction activities not elsewhere classified

46.90.Z - Non-specialised wholesale trade

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

81.21.Z - General cleaning of buildings

81.22.Z - Specialised building and industrial cleaning activities

81.29.Z - Other cleaning activities