PRZEDSIĘBIORSTWO PROJEKTOWO-WYKONAWCZE "EL-SAN" SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

41.20.Z - Construction work related to the construction of residential and non-residential buildings

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

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

43.1 - Demolition and site preparation for construction

43.2 - Installation of electrical, plumbing, and other building systems

43.3 - Performing finishing construction works

43.9 - Other specialized construction works

71.1 - Architectural and engineering activities and related technical consultancy

74.10.Z - Specialized design activities

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

80.20.Z - Detective and security activities