Sistema | 4,392 followers on LinkedIn. "Sistema"​ is the largest diversified publicly-traded investment company in Russia and the CIS, which invests in and is a major shareholder of companies serving over 100 million customers in the sectors of telecommunications, high technology, oil and energy, radars and aerospace, banking, retail, mass-media, tourism and healthcare services. Founded in 1993, the company reported revenues of US$ 7.9 billion for the first quarter of 2012, and total assets of US$ 47.3 billion as at March 31, 2012. Sistema's global depository receipts are listed under the symbol "SSA"​ on the London Stock Exchange.