products extraction of energy resources; mineral resources number of companies: , number of sub-industries: briquette, charcoal collection, purification and distribution of water extraction and agglomeration of peat extraction of crude petroleum and natural gas extraction of slate manufacture of coke...
wind industry industry aerospace industrial oil & gas petrochemical process plants military land marine smart defense power distribution generation hydro wind transportation on-highway marine locomotive mining construction agriculture support support industrial technical help desk service & spare parts...