Centered on your success

since 1955.

By matching businesses with the right equipment and software, we help St. Louis work more productively, every day.

We’re here to help solve workflow problems even before they occur.

With the most reliable equipment and strategic document, print, and IT management services, we’re dedicated to improving your productivity and helping you reach your goals.

A lot has changed for SumnerOne | Datamax since we started as the A.B. Dick Company in 1955, selling mimeograph and offset press technology. As technology has evolved, so have we – always with one goal in mind: exceeding our customers’ expectations.

Today, we’re focused on helping your business succeed by improving the way you use information. How? With the industry’s most reliable technology, alongside strategic document, print and IT management services.

Since we began our partnership with Canon in 1980, SumnerOne | Datamax has become one of the largest independently owned Canon dealerships in the country. But don’t let our size fool you – each SumnerOne | Datamax employee is personally committed to understanding and improving your business inside and out.

Datamax is a SumnerOne Company.

SumnerOne is a family of companies, all united under one purpose: to help organizations achieve their goals, by making the most of their investments in technology.

Meet our team.

Our employees have deep experience and sharp skills in the technology industry. Meet some of the people dedicated to helping your business succeed.

Chris Armistead
Service Technician
Ron Johnson
Senior Leasing Manager
Gail Fuller
Administrative Manager
Taryn Pulliam
Major Accounts Manager
Mary Sumner
Chief Information Officer
James Leitch
Solutions Support Manager
Jim Warchol
Pre-Sales Support Manager
Paul Klosterman
Technical Trainer