Any area of professional activity can have its own language and code to serve its own specific functions. We study linguistic units that function in the discursive texts of the fuel and energy complex, subject to the norms and laws of the development of the literary language, language and genre features of special texts of the fuel and energy complex related to different types and forms of business communication are established. The text fuel and energy discourse is an integral unit of communication containing a message about the fuel and energy complex (events, events, processes, actions, etc. of this area of professional activity), created according to the plan of the communicants, having a structural (compositional), semantic and pragmatic unity, processed in in accordance with the stylistic norms and functions of the language. The lexical content of discursive texts of the fuel and energy complex (FEC) includes "sublanguages" of the fuel, energy and industrial sectors. The communicative-pragmatic characteristic of the business communication of the fuel and energy complex demonstrates different aspects of the discursive text, in which three main levels of text formation are distinguished: structural/compositional, semantic, pragmatic. Linguistic (lexical, grammatical means, semantic potential of language units) and extralinguistic (speech situation, intentions and communicative attitudes of the speaker, strategies and tactics of communicants, speech characteristics of a discursive situation, etc.) are distinguished and described) means used in different styles and genres of discursive texts fuel and energy complex.