SANTRO JACEK TROJANOWSKI

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

37.00.Z - Sewerage and waste water treatment

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

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

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

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

43.24.Z - Installation of other building systems

43.35.Z - Performing other finishing construction works

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

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

46.64.Z - Wholesale trade of other machines and devices

46.83.Z - Wholesale trade of wood, construction materials, and sanitary equipment

46.84.Z - Wholesale trade of metal products and hydraulic and heating equipment and accessories

47.81.Z - Retail sale of motor vehicles

49.41.Z - Road freight transport

68.11.Z - Buying and selling real estate on own account

71.12.A - Engineering activities and related technical consultancy

81.23.B - Other cleaning services, not elsewhere classified