I. JERZY KUJAWSKI REMONT ELEKTROWNI WODNYCH II. JERZY KUJAWSKI MAŁE ELEKTROWNIE WODNE S.C. Jerzy Maria Piotr Kujawscy

35.11.Z - Generation of electricity from non-renewable sources

25.62.Z - Production of locks and hinges

26.11.Z - Manufacture of electronic components

26.20.Z - Manufacture of computers and peripheral equipment

27.12.Z - Manufacture of electrical distribution and control apparatus

27.33.Z - Manufacture of installation equipment

27.90.Z - Manufacture of other electrical equipment

28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle, and motorcycle engines

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

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

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

35.13.Z - Transmission of electricity

35.14.Z - Distribution of electricity

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

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

43.21.Z - Installation of electrical systems

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

49.41.Z - Road freight transport

52.21.Z - Support activities for land transport

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

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

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

68.20.Z - Rental and management of own or leased real estate

71.12.Z - Engineering activities and related technical consultancy

77.11.Z - Rental and leasing of passenger cars and light motor vehicles

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

80.20.Z - Detective and security activities

82.30.Z - Activities related to organizing fairs, exhibitions, and congresses

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

96.09.Z - Individual service activities