El Power System Maciej Hańć

33.14.Z - Repair and maintenance of electrical devices

33.12.Z - Repair and maintenance of machinery

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

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

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

43.21.Z - Installation of electrical systems

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.35.Z - Performing other finishing construction works

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

47.91.Z - Intermediary retail sale, non-specialized

47.92.Z - Intermediary retail sale, specialized

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

61.90.A - Activities in other telecommunications fields

61.90.B - Activities in other telecommunications fields

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