WIŚNIEWSKI KRZYSZTOF

43.21.Z - Installation of electrical systems

17.23.Z - Production of paper articles

18.12.Z - Other printing

23.70.Z - Cutting, shaping, and finishing of stone

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

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

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

43.29.Z - Specialized construction works

43.31.Z - Plastering

43.33.Z - Flooring, wallpapering, and cladding of walls

43.39.Z - Specialized construction works

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

46.42.Z - Wholesale trade of clothing and footwear

46.43.Z - Wholesale trade of electrical household goods

47.19.Z - Retail trade

47.91.Z - Intermediary retail sale, non-specialized

49.32.Z - Other road passenger transport, non-scheduled

49.41.Z - Road freight transport

58.19.Z - Other publishing activities, excluding software publishing

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

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

61.30.Z - Telecommunications

61.90.Z - Activities in other telecommunications fields

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

74.10.Z - Specialized design activities

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

77.12.Z - Rental and leasing of trucks

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

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

80.20.Z - Detective and security activities

82.19.Z - Office administrative support activities and other business support services

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

82.99.Z - Other business support activities, not elsewhere classified

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

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