71.12.Z - Engineering activities and related technical consultancy
35.11.Z - Production of electricity from non-renewable sources
35.21.Z - Manufacture of gas
35.30.Z - Steam and air conditioning supply
38.32.Z - Landfilling or permanent storage
39.00.Z - Remediation activities and other waste management service activities
42.99.Z - Construction of other civil engineering projects n.e.c.
43.22.Z - Plumbing, heat and air-conditioning installation
72.11.Z - Research and experimental development on biotechnology
74.90.Z - Other professional, scientific and technical activities not elsewhere classified