Ssga, or State Street Investment Management Company, is the investment management organization of State Street Group and the seventh largest investment management company in the world. State Street Bank provides a series of excellent investment services for investors, enabling its fund holders to share global investment opportunities. Core investment strategies include: actively managed American equity funds, passively managed American equity funds, actively managed international equity funds, passively managed international equity funds, fixed income funds, hybrid funds, real estate funds, exchange funds, and complete solutions based on customers' special needs. State Street Investment Management Company ranks first in asset management business and is now the third largest asset management company in the United States. State Street Investment Management Company currently manages $793.2 billion in assets. There are 33 offices and 9 global investment centers around the world.

BlackRock, also known as Blackstone Group, is different from Blackstone Group, one of the largest private equity funds in the world. BlackRock Group (new york Stock Exchange: BLK) is the largest listed investment management group in the United States. Headquartered in new york, USA, the Group provides services to customers through its offices in the United States, Europe and Asia.