27.12.Z - Manufacture of electrical distribution and control apparatus
28 - Manufacture of machines and equipment not elsewhere classified
33 - Repair, maintenance, and installation of machinery and equipment
35 - Generation and supply of electricity, gas, steam, and air conditioning systems
42 - Works related to the construction of civil engineering and water engineering objects
43 - Specialized construction works
46 - Wholesale trade
96 - Individual service activities
45