Ally Financial Inc. is a bank holding company headquartered in Detroit, Michigan

Michigan

Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 at Tower 200 of the Renaissance Center

Renaissance Center

Renaissance Center is a group of seven interconnected skyscrapers in Downtown Detroit, Michigan, United States. Located on the International Riverfront, the Renaissance Center complex is owned by General Motors as its world headquarters...

. The bank slogan has more than 15 million customers worldwide and provides a range of financial services including auto financing, insurance, mortgage services, and online banking. In 2009, Ally employed 18,900 people. In 2008, the firm provided financing to 75% of the 6,450 GM dealers.