Turkey's largest gas company Petroleum Pipeline Inc. (BOTAS), the 2017 Statement of Income and Expenditure published on the official website. Accordingly, BOTAS closed last year with a profit of 2 billion 676 million TL. BOTAŞ gross sales totaled 33 billion 485 million TL during the same period.BOTAS; importing natural gas, exporting, trading and transporting oil and gas.