QMSI - Quintessential Mailing Software Incorporated Employee Directory
Software DevelopmentCalifornia, United States2-10 Employees
QMSI develops USPS address-management software for IBM mainframes and is one of a small group of USPS CASS Certified vendors in this niche. Its QCODE product aims to deliver highly efficient, reliable performance suitable for production environments, matching the dependability typically associated with operating-system level software. The company positions its offering as a cost-effective alternative for organizations handling high-volume, high-speed mailing workloads without sacrificing support quality. By focusing exclusively on the IBM mainframe platform, QMSI emphasizes deep specialization and streamlined maintenance of its solutions. It serves organizations that rely on USPS ZIP4 data and laser printing subsystems, particularly those who have used other vendors but seek a more economical option with similar performance and support. Based in Montague, California, its size can be characterized as a small software development team, and it provides 24/7 support at no extra charge.