TransUnion, a world leader in credit and information management, serves more than 500 million consumers and 50,000 customers in 25 countries in five continents. For more than 30 years, this Chicago-based company has been gathering and delivering information to help businesses manage risk and to help consumers manage credit. Its website says the company was the first to implement the technology enabling accurate identity searches based on a person's nickname and also the first to establish a unit to combat and prevent crimes such as identity theft and credit fraud.