Product Lines - Siemens siemens power generation, siemens pg, compressor trains, compressor train solutions, turbocompressors, efficiency, efficient, reliability, reliable, performance, customized, standardized, pre-engineered, modular, integrally geared, compact, inlet guide vane, IGV, Smart Control, drive, driver, drive system, competence, expertise, speed, protection, applications, gear-type, gear Siemens Energy offers turbocompressors to meet the needs of oil, gas and process industries: single shaft, axial or axial-radial. Compressors can be matched with drivers, including steam turbine, gas turbine or electric motor.