Radian Group Inc., together with its subsidiaries, provides mortgage insurance in the United States. It aggregates, manages, and distributes mortgage credit risk for the benefit of mortgage lending institutions and mortgage credit investors through private mortgage insurance on residential first-lien mortgage loans. The company also offers private mortgage insurance, specialty insurance, and reinsurance lines. It serves mortgage originators, such as mortgage banks, commercial banks, savings institutions, credit unions, and community banks. The company was formerly known as CMAC Investment Corp. and changed its name to Radian Group Inc. in June 1999. Radian Group Inc. was founded in 1977 and is headquartered in Wayne, Pennsylvania.