What is "transunion"

TransUnion is an American company that provides credit information and information management services to approximately 45,000 businesses and approximately 500 million consumers worldwide in 33 countries. It is also the third-largest credit bureau in the United States. Like major competitors Equifax and Experian, TransUnion markets credit reports directly to consumers. The company is based in Chicago, Illinois, and its revenue in 2014 was US$1.3 billion.