GTMS S.C. Grzegorz Trawka Marek Szal

71.12.Z - Engineering activities and related technical consultancy

33.14.Z - Repair and maintenance of electrical equipment

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

41.10.Z - Realization of building projects related to erection of buildings

41.20.Z - Building works related to erection of residential and non-residential buildings

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

43.21.Z - Electrical installation

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

95.11.Z - Repair and maintenance of computers and peripheral equipment