DetEx Wojciech Grenda

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

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

47.91.Z - Intermediary retail sale, non-specialized

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

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

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

80.20.Z - Detective and security activities

81.10.Z - Auxiliary activities related to maintaining buildings