Emerald Tubulars, LLC, 1636 Shadow Lake Ct, Harvey, LA 70058, US

Established in 1978, Petrotech Inc. provides controls and instrumentation for rotating machinery assets, such as centrifugal compressors, gas and steam turbines, generators, reciprocating compressors and associated auxiliary systems. It serves several major industries within the energy sector, including oil and gas production, pipeline and gas compression, power generation, petrochemical and refining, among others. The company s commissioning services include loop check responsibilities, SAT execution, system tuning. It is ISO 9001-2000 certified. In 2009, Petrotech Inc. received the Frost & Sullivan Excellence in Customer Value Award for North American turbomachinery controls systems integrators market.