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Rineco Chemical Industries is a Benton, AR-based company in the Energy & Utilities sector.
Riley Oil Co is a Richmond, KY-based company in the Energy and Utilities sector.
ResTech is a Houston, TX-based company in the Energy & Utilities sector.
Howard Concrete Co is a Glen Ellyn, IL-based company in the Energy & Utilities sector.
As of 12 September 2013, DNV and GL have merged to form DNV GL. We now form the world’s largest ship and offshore classification society, the leading technical advisor to the global oil and gas industry, and a leading expert for the energy value chain including renewables and energy efficiency. We’ve also taken a position as one of the top three certification bodies in the world.