Based in San Francisco, UnionBanCal Corporation is a financial holding company. Its primary subsidiary, Union Bank N.A. is a full-service commercial bank providing an array of financial services to individuals, small businesses, middle-market companies, and major corporations. The bank operates around 397 banking offices in California, Oregon, Washington and Texas and two international offices. Union Bank N.A. provides a broad mix of financial services to businesses and individuals and serves a range of markets, including consumer, small business, middle market, real estate, corporate, correspondent and trade finance. The bank also offers investment and financial management, trust services, private banking, insurance services, and global custody services.