42.21.Z - Construction of utility projects for fluids
41.20 - Building works related to erection of residential and non-residential buildings
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
62.01.Z - Computer programming activities
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
71.12.Z - Engineering activities and related technical consultancy
72.19.Z - Other research and experimental development on natural sciences and engineering
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment