PIOTR CHOJNACKI "SERWIS I SZKOLENIA IT" (SISIT)

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

18.12.Z - Other printing

43.21.Z - Installation of electrical systems

47.40.Z - Retail sale of information and communication technology equipment

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.55.Z - Retail sale of furniture, lighting equipment, tableware, and other household articles

47.69.A - Retail sale of musical instruments and sheet music

47.76.A - Retail sale of flowers, plants, seeds, fertilizers, and plant protection products

47.79.A - Retail sale of used or antique books

47.79.B - Retail sale of antiques

47.91.Z - Intermediary retail sale, non-specialized

47.92.Z - Intermediary retail sale, specialized

58.29.Z - Publishing of other software

60.39.Z - Other content distribution activities

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

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

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

61.90.A - Activities in other telecommunications fields

61.90.B - Activities in other telecommunications fields

62.10.A - Programming activities

62.10.B - Programming activities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

63.10.A - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.10.C - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.10.D - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.91.Z - Portal and search engine activities

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

73.11.Z - Advertising agency activities

74.12.Z - Graphic design and visual communication activities

74.20.Z - Photographic activities

74.30.Z - Translation and interpretation activities

82.10.Z - Office administrative support activities, including related services

85.20.Z - Primary schools

85.31.Z - General secondary schools

85.32.A - Technical schools

85.32.B - First-level vocational schools

85.33.A - Post-secondary schools

85.40.Z - Higher education institutions

85.52.Z - Non-school forms of artistic education

85.59.A - Foreign language education

85.59.C - Other non-school forms of education, not classified elsewhere

85.59.D - Other non-school forms of education, not classified elsewhere

85.69.Z - Educational support activities, not classified elsewhere

95.10.Z - Repair and maintenance of computers and telecommunications equipment