DTCC: The Depository Trust & Clearing Corporation (DTCC) is an American post-trade financial services company providing clearing and settlement services to the financial markets. It performs the exchange of securities on behalf of buyers and sellers and functions as a central securities depository by providing central custody of securities.

DTCC was established in 1999 as a holding company to combine The Depository Trust Company (DTC) and National Securities Clearing Corporation (NSCC). User-owned and directed, it automates, centralizes, standardizes, and streamlines processes in the capital markets.[4] Through its subsidiaries, DTCC provides clearance, settlement, and information services for equities, corporate and municipal bonds, unit investment trusts, government and mortgage-backed securities, money market instruments, and over-the-counter derivatives. It also manages transactions between mutual funds and insurance carriers and their respective investors.