M&T Bank is a company that provides commercial banking, retail banking and wealth management services. It operates through the following segments: Business Banking, Commercial Banking, Commercial Real Estate, Discretionary Portfolio, Residential Mortgage Banking, and Retail Banking. The Business Banking segment provides delivery channels such as telephone banking, Internet banking, and automated teller machines. The Commercial Banking segment offers commercial lending and leasing, letters of credit, deposit products, and cash management services. The Commercial Real Estate segment includes apartment, multifamily buildings, hotels, office, retail and industrial space or other types of collateral loans. The Discretionary Portfolio segment provides investment securities, residential real estate loans and other assets. The Residential Mortgage Banking segment originates and services residential mortgage loans and sells those loans in the secondary market to investors. The Retail Banking segment offers a variety of services to consumers through several delivery channels which include branch offices, automated teller machines, telephone banking and Internet banking.