Profile: Siemens Oil & Gas is a supplier of energy and petrochemicals. We offer compressors, gas & steam turbines, inverters and electric motors. Our sealing systems are rugged compressor design, which is suited for a wide range of process gases. Our refineries convert crude oil into transportation fuels and lube oil. We also specialize in the design and manufacture of a range of turbochargers for medium speed diesel & gas engines for marine, power generation and rail traction applications.