MRVolt Eryk Klimkowski

43.21.Z - Installation of electrical systems

27.12.Z - Manufacture of electrical distribution and control apparatus

33.12.Z - Repair and maintenance of machinery

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

33.14.Z - Repair and maintenance of electrical devices

33.15.Z - Repair and maintenance of civilian ships and boats

33.19.Z - Repair and maintenance of other equipment and installations

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

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

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

43.24.Z - Installation of other building systems

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

62.10.B - Programming activities

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

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use