Moody's Corporation provides credit ratings; and credit, capital markets, and economic related research, data, and analytical tools worldwide. It operates through two segments, Moody's Investors Service and Moody's Analytics. The Moody's Investors Service segment publishes credit ratings on various debt obligations and entities that issue such obligations comprising various corporate and governmental obligations, structured finance securities, and commercial paper programs. This segment provides ratings in approximately 120 countries. Its ratings are disseminated through press releases to the public through print and electronic media, including the Internet and real-time information systems for use by securities traders and investors. As of December 31, 2016, this segment had ratings relationships with approximately 11,000 corporate issuers and approximately 18,000 public finance issuers. It also rated and monitored ratings on approximately 64,000 structured finance obligations. The Moody's Analytics segment develops products and services that support financial analysis and risk management activities of institutional participants in financial markets; and distributes research and data, such as research on debt issuers, industry studies, and commentary on topical credit related events. This segment also offers economic research, and credit data and analytical tools; software solutions and related risk management services; and outsourced research and analytical services with financial training and certification programs. The company was formerly known as Dun and Bradstreet Company and changed its name to Moody's Corporation in September 2000. Moody's Corporation was founded in 1900 and is headquartered in New York, New York.