"INSTAL - OST" SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

33.19.Z - Repair and maintenance of other equipment and installations

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

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

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

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

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