TANDEM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

23.61.Z - Production of concrete building products

23.63.Z - Production of prefabricated concrete mixtures

23.69.Z - Manufacture of other non-metallic mineral products

42.11.Z - Works related to the construction of roads and highways

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

43.11.Z - Demolition and destruction of buildings

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

77.32.Z - Rental and leasing of construction machinery and equipment

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.60.Z - Educational support activities