JAN SZTOMPKA

71.12.B - Engineering activities and related technical consultancy

01.19.Z - Other crop production not including perennials

01.30.Z - Plant propagation

01.48.Z - Breeding and husbandry of other animals

01.70.Z - Hunting and trapping, including service activities

18.12.Z - Other printing

25.99.Z - Manufacture of other ready-made metal products not elsewhere classified

28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified

32.99.Z - Production of other products not classified elsewhere

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

41.00.B - Construction work related to the construction of non-residential buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

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

43.24.Z - Installation of other building systems

47.91.Z - Intermediary retail sale, non-specialized

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

63.92.Z - Other information-related services

71.11.Z - Architectural activities

74.14.Z - Other specialized design activities

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified