Myriad Systems Inc. (MSI) is a privately held subsidiary of Computer Systems Inc. (CSI) that provides payment information capture, composition, and delivery services for financial institutions and governments. MSI has locations in Oklahoma City, Phoenix, and Newark and has been a leader in financial institution servicing since 1972 through offerings such as print and mail, online document delivery, and item processing solutions. In 2009, MSI was acquired by CSI, a $150 million revenue company serving over 4000 banks and credit unions across 32 facilities.