American Ethane Company website nor by its publications although these foreigners have significant interests in American Ethane. Finally, Konstantin Nikolaev is a partner and close associate of Vladimir Putin's inner circle through Igor Levitin, Alexey Mordashov, Arkady Rotenberg, and Gennady Timchenko. American Ethane Company American Ethane Company, LLC (AEC) is the largest producer of ethane in the United States. It is a Houston, Texas, based American petroleum company established in January 2014 with offices in New Orleans. It is privately held with large investments from Russian oligarchs who are close to Vladimir Putin's inner circle. As of July 2018, Konstantin Nikolaev, Mikhail Yuriev,
Roman Rotenberg Rotenberg, decided not to buy Telesport. In July 2015, it was announced that Rotenberg had the aim of purchasing the Rossport sewing and print manufacturing company. Rossport is the main supplier for Russian sports clubs, including IHC SKA. It was reported that the deal would include the company's Kostroma and Dedovsk factories. According to experts’ estimates, the share would be around 60 million roubles, with the overall business evaluated in the range of 75-80 million roubles. Founder of the Sportconcept holding, which unites companies in the field of sports marketing, distribution of sporting products, the management and design of sporting