TransUnion, is one of the three leading credit reporting bureaus in the United States. TransUnion is headquartered in Chicago, IL, they are a leading provider of business intelligence services including credit decisioning, fraud prevention tools, and marketing products. Their credit reports are widely used by creditors, landlords, and other companies to obtain information on applicants for underwriting purposes.
In 1972, TransUnion created CRONUS, the Credit Reporting Online Network Utility System, which revolutionized the credit reporting industry. CRONUS pioneered a digital storage and retrieval system that allowed creditors fast access to consumer credit information. TransUnion continues to be one of the leading figures in credit information.