P.H.U. JONTEX PIOTR JOŃCZYK

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

33.12.Z - Repair and maintenance of machinery

35.12.A - Wind power

35.12.B - Solar power

35.13.Z - Transmission of electricity

35.14.Z - Distribution of electricity

35.16.Z - Electricity storage

37.00.Z - Sewerage and waste water treatment

38.11.Z - Collection of non-hazardous waste

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

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

43.21.Z - Installation of electrical systems

43.23.Z - Installation of insulation

43.42.Z - Performing other specialized construction works related to the construction of buildings

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

43.91.Z - Masonry works

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

46.61.Z - Wholesale trade of agricultural machinery and additional equipment

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

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.81.Z - Retail sale of motor vehicles

47.83.Z - Retail sale of motorcycles and parts and accessories for them

49.41.Z - Road freight transport

71.11.Z - Architectural activities

81.23.A - Disinfection, pest control, and rodent extermination services

81.23.B - Other cleaning services, not elsewhere classified