ZAKŁAD TECHNIKI SANITARNEJ "TECHSAN" GRZEGORZ GUDECKI w spadku

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

25.11.Z - Production of metal constructions and their parts

25.53.Z - Mechanical processing of metal parts

27.12.Z - Manufacture of electrical distribution and control apparatus

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

42.91.Z - Works related to the construction of water engineering objects

43.21.Z - Installation of electrical systems

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

43.50.Z - Specialized construction works in the field of civil and water engineering

46.63.Z - Wholesale trade of machines used in mining, construction, and civil and water engineering

71.12.B - Engineering activities and related technical consultancy

74.14.Z - Other specialized design activities