Port Rzeczny Sandomierz Mieczysław Siemaszek

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

08.12.Z - Extraction of gravel, sand, clay, and kaolin

23.61.Z - Production of concrete building products

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

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

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

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

52.24.B - Cargo handling in inland ports

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

45.11.Z

45.19.Z