The PNC Financial Services Group, Inc. is an American bank holding company and financial services corporation based in Pittsburgh, Pennsylvania. Its banking subsidiary, PNC Bank, operates in 27 states and the District of Columbia, with 2,629 branches and 9,523 ATMs. PNC Bank is one of the largest banks in the US by assets and by number of branches, deposits, and ATMs. The company also provides financial services such as asset management, wealth management, estate planning, loan servicing, and information processing. PNC is one of the largest Small Business Administration lenders and one of the largest credit card issuers. It also provides asset-based lending to private equity firms and middle market companies. PNC operates one of the largest treasury management businesses and the second largest lead arranger of asset-based loan syndications in the United States. Harris Williams & Co., a subsidiary of the company, is one of the country's largest mergers and acquisitions advisory firms for middle-market companies.