4TI SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

25.12.Z - Production of metal doors and windows

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

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

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

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

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

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

46.1 - Wholesale trade conducted on behalf of others

46.5 - Wholesale trade of information and communication technology devices

46.51 - Wholesale trade

46.52.Z - Wholesale trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

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

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

74.10.Z - Specialized design activities

80.20.Z - Detective and security activities

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

96.09.Z - Individual service activities