Zbigniew Czernecki "MAXNET"

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

18.12.Z - Other printing

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

33.17.Z - Repair and maintenance of other civil transport equipment

33.19.Z - Repair and maintenance of other equipment and installations

33.20.Z - Installation of industrial machinery, equipment, and devices

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

43.13.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

43.29.Z - Specialized construction works

43.91.Z - Masonry works

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

46.66.Z - Wholesale trade

47.41.Z - Retail trade

47.89.Z - Retail trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

49.41.Z - Road freight transport

55.20.Z - Tourist accommodation and short-term accommodation facilities

61.10.Z - Activities in the field of wired, wireless, and satellite telecommunications

61.90.Z - Activities in other telecommunications fields

62.02.Z - Activities related to programming, IT consulting, and related activities

62.03.Z - Activities related to programming, IT consulting, and related activities

62.09.Z - Activities related to programming, IT consulting, and related activities

63.11.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

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

81.10.Z - Auxiliary activities related to maintaining buildings

81.22.Z - Other cleaning of buildings and industrial premises

81.29.Z - Services related to maintaining buildings and landscaping

81.30.Z - Landscaping services

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

45.11.Z

45.19.Z