Formerly known as Applied Energy Services, the AES Corporation is an electrical power provider that supplies energy to 17 countries and has over 21,000 employees working in different parts of the world. The company was founded in 1981 and firstly specialized in consulting. Switching to the energy sector later, today the AES Corp has 35 GW of generating capacity and owns seven utility companies and several power plants worldwide. A Fortune 200 company, the company is listed on the New York Stock Exchange. Their head office is based in Arlington, Virginia.