D&A Consulting Danuta Brzyska

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

35.15.Z - Electricity trading

35.40.Z - Brokerage and agency activities in electricity and natural gas

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

43.60.Z - Intermediation in specialized construction services

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

46.17.Z - Activity of agents involved in wholesale trade of food, beverages, and tobacco products

46.18.Z - Activity of agents involved in wholesale trade of other specified goods

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

46.89.Z - Other specialized wholesale trade, not classified elsewhere

46.90.Z - Non-specialized wholesale trade

47.12.Z - Other non-specialized retail trade

47.91.Z - Intermediary retail sale, non-specialized

47.92.Z - Intermediary retail sale, specialized

59.11.Z - Activities related to the production of films, video recordings, and television programs

59.12.Z - Post-production activities related to films, video recordings, and television programs

59.20.Z - Sound recording and music publishing activities

60.39.Z - Other content distribution activities

62.10.B - Programming activities

62.90.Z - Other IT and computer-related services

63.92.Z - Other information-related services

64.19.Z - Other monetary intermediation

64.22.Z - Activities of companies raising funds for other entities

64.91.Z - Financial leasing

64.92.B - Other forms of credit granting not elsewhere classified

64.99.Z - Other financial services, except insurance and pension funds, not elsewhere classified

66.19.Z - Other activities supporting financial services, excluding insurance and pension funds

70.20.Z - Business and management consultancy activities

71.12.B - Engineering activities and related technical consultancy

71.20.C - Other technical testing and analysis

73.11.Z - Advertising agency activities

74.14.Z - Other specialized design activities

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

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

77.31.Z - Rental and leasing of agricultural machinery and equipment

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

77.51.Z - Intermediary activities in rental and leasing of passenger cars, motorhomes, and trailers

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

82.40.Z - Intermediary activities in business support services, not elsewhere classified

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

84.25.Z - Fire protection

90.20.C - Activities related to the staging of artistic performances

90.39.Z - Other activities supporting creative activities and activities related to staging artistic performances

93.29.B - Other entertainment and recreational activities, not elsewhere classified

96.40.Z - Intermediation in individual service activities