7
Floating and non-floating offshore installations as well as land-based installations in the form of production platforms for oil, gas, LNG (liquefied natural gas) and for LNG regasification, wellhead platforms, drilling rigs, water injection platforms, drilling platforms, residential platforms, transformer platforms, wind turbines and utility platforms and storage platforms as well as structural parts for all the aforesaid
37
Construction; repair services of floating and non-floating offshore installations as well as land-based installations; installation services of floating and non-floating offshore installations as well as land-based installations; well drilling for oil and gas extraction
39
Storage of gas; storage of oil
42
Scientific and technological services and research and development relating thereto; industrial analysis and research; design of computer programs; development of computer programs; design of computers; development of computers; engineering services