"BIS is taking this action to ensure the efficacy of existing sanctions on the Russian Federation (Russia) for violating international law and fueling the conflict in eastern Ukraine," the statement reads. Companies from the United Kingdom, Romania, Ukraine, Finland and Switzerland were also included on the list. The list of Russian companies include Vankorneft, Izhevsky Mekhanichesky Zavod, Neft-Aktiv, Achinsk Refinery, Angarsk Petrochemical Company, Kuybyshev Refinery, Novokuybyshev Refinery, Orenburgneft, RN Holding, Samotlorneftegaz, Syzran Refinery, Kontsern Izhmash, Verkhnechonskneftegaz, RN-Komsomolsky Refinery, RN-Yuganskneftegaz and others. Meanwhile, the Kommersant daily quoted on Wednesday a source in the U.S. embassy in Moscow who said that this is not the extension of sanction but is an internal measure that is called to bring export control in line with financial sanctions.