At Diagraph, our philosophy is to provide the best-fit technology for your demanding product identification challenges, so we offer a wide breadth of products and services. We have an experienced and dedicated staff of direct sales and service employees across the United States to serve your needs. read more...

Company Overview

Diagraph began serving the marking and coding industry in 1893 and became part of the Illinois ToolWorks (ITW) family of companies in 2001. With the resources, synergies and successful business practices of ITW working for us, Diagraph is positioned to serve the industrial product identification market better than ever in the 21st Century. read more...

Products & Services

Diagraph offers the most comprehensive line of marking, coding, labeling systems and supplies in the industry. This includes small character continuous ink jet, large character & high-resolution ink jet, HP thermal jet, all-electric automated label printer/applicators and label applicators, thermal transfer overprinters, stand-alone label printers, software, material handling, scanners and verifiers, service, parts and inks. We are structured to identify and implement the best-value solution.

Diagraph Promise

The mission of Diagraph is to provide superior products, services and value to our customers through our staff of dedicated employees. read more...