Since its start in 1973, National Systems Corporation (NSC) has consistently delivered a superior combination of cost-effective point-of-sale telephony integration with high-quality management and marketing computer systems.

For the last 30 years, NSC has been delivering and supporting systems that operate in the most demanding of environments, from telemarketing call centers and service bureaus to food service and delivery businesses, as well as its own corporate offices.

Boasting over 3,000 installations and 20,000 telephone lines and workstations worldwide, NSC is an industry leader in delivering cutting-edge Computer Technology Integration (CTI) to call centers, corporations and business of all sizes.

Located in the heart of downtown Chicago, National Systems Corporation services a wide variety of customers, from your local pizzeria to some of the most sophisticated call centers in the world, all while providing complete systems, service and support.


Why Choose NSC?

  • 8000 Active TMS® Call Center Users
  • Over 5000 Virtual (at-home) TMS® Call Center Users
  • Over 3700 Restaurants Supported By Call Center
  • 10 Brick-And-Mortar Call Centers Supported
  • Tech Support staff is available 7 days a week

What NSC Clients Say?