It's clear that securities trading just wouldn't be the same without The Depository Trust & Clearing Corporation (DTCC). Through ten subsidiaries, the firm provides securities clearing, settlement, custody, and information services. Dealing in equities, bonds, government and mortgage-backed securities, money market instruments, and over-the-counter derivatives, in 2013 DTCC’s subsidiaries processed securities transactions valued at $1.6 quadrillion. Its depository provides custody and asset servicing for securities issues from 139 countries and territories were valued at $43 trillion. DTCC’s global trade repository processes tens of millions of submissions per week.