GRZEGORZ ROSZKOWSKI

43.21.Z - Installation of electrical systems

27.12.Z - Manufacture of electrical distribution and control apparatus

27.33.Z - Manufacture of installation equipment

33.14.Z - Repair and maintenance of electrical devices

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

41.20.Z - Construction work related to the construction of residential and non-residential buildings

42.22.Z - Works related to the construction of telecommunications and electrical lines

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.29.Z - Specialized construction works

43.39.Z - Specialized construction works

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

47.41.Z - Retail trade

47.42.Z - Retail trade

47.78.Z - Retail sale of other new products

47.91.Z - Intermediary retail sale, non-specialized

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

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

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

66.22.Z - Insurance agent and broker activities

74.20.Z - Photographic activities

82.20.Z - Call center activities

85.59.A - Foreign language education

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

45.11.Z

45.19.Z