In case you haven’t heard, Datamax St. Louis is now


Copiers & Printers • Print Management • Managed IT

Welcome to the one place where everything works.

SumnerOne is more than a new name, it’s our commitment to deliver the most value as your one stop shop for office technology. To learn more about SumnerOne and continue using the online resources you’re familiar with, please make the switch to going forward.

Introducing SumnerOne

If you read our Welcome, you know that we’re out to prove that we are the one place where everything works.  We have always known that our people can get the job done for our customers as they consult on, design, install and service our technology solutions. But, something didn’t quite ring true in our promise: the one place?


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Welcome to the one place where everything works

We’ve been around for 62 years for one reason and one reason, only: the thing we really care about is you, our customer. We have survived and thrived in our industry because we are a service organization, one that is always trying to figure out how we make your life easier at work.

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Why SumnerOne?

For the past 63 years, we have delivered solutions to customers that help them grow their businesses. As we’ve thought about how to best support our customers for the next 60 years, we realized that having one place to go for solutions that run a modern workplace would be important.

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Managed Services

  • Managed Print Services
  • Managed IT Services
  • Disaster Recovery & Business Continuity


  • Multifunction Printers & Copiers
  • Printers & Scanners
  • Large Format Printers & MFPs
  • Production Printers
  • PCs, Servers and Networking

The latest from SumnerOne.


There are no scheduled events at this time. Check back soon!

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.

Randy Stumpf
Major Account Manager
Rob Newell
Account Manager
Don Malven
Field Service Manager
Betty Hasty
Manager of Customer Accounts
Earl Caspersen
VP of Service
Ron Johnson
Senior Leasing Manager
Kevin Laury
Chief Operations Officer
Liz Sumner
Managing Director

Contact Us

  • 6691 Manchester Ave.
  • St. Louis, MO 63139
  • 314.633.8000