Witold Piętka Z.U.H. KOPTRANS

42.11.Z - Works related to the construction of roads and highways

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

38.11.Z - Collection of non-hazardous waste

38.21.Z - Material recovery

38.32.Z - Waste disposal in landfills

42.12.Z - Works related to the construction of railways and underground railways

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

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

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

46.73.Z - Wholesale trade of motorcycles and parts and accessories for them

46.75.Z - Wholesale trade

49.41.Z - Road freight transport

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

77.21.Z - Rental and leasing of recreational and sports equipment

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

81.29.Z - Services related to maintaining buildings and landscaping

81.30.Z - Landscaping services

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

45.20.Z