Advanta Corp. provides business credit cards to small businesses and business professionals in the United States. The company primarily offers MasterCard business credit cards that provide approved customers with access, through merchants, banks, checks, and ATMs to unsecured revolving business credit lines. It also offers credit protection and related products, including coverage for loss of life, disability, key person departure, business interruption, and involuntary unemployment. In addition, Advanta provides various deposit products, such as retail and large denomination certificates of deposit, and money market accounts. The company was founded in 1951. It was formerly known as Teachers Service Organization, Inc. and changed its name to TSO Financial Corp. Further, it changed its name to Advanta Corp. in 1988. The company is headquartered in Spring House, Pennsylvania.