About SumnerOne
SumnerOne is a print and office technology company that has served St. Louis businesses for more than 70 years, with its headquarters in the city. Most of its work is office copiers, printers, production print, wide format, managed print services, mailing solutions and enterprise content management, in partnership with Canon, Konica Minolta, Kyocera, HP, Fujifilm and Laserfiche. It also offers managed voice services and IT services, including managed IT, IT security, disaster recovery and business continuity, infrastructure design and remote work solutions. It is not tied to a single manufacturer and picks technology to fit each organization. It works with businesses, healthcare organizations, schools, manufacturers and government agencies, with certified local technicians handling service. Rated 4.5 from 41 Google reviews, 36 of them five stars and 5 one star.
Services and details
Managed IT services
YesBackup and disaster recovery
YesNamed industries
Yes
No information yet on 24/7 help desk, stated response time, on-site support, managed cybersecurity, compliance support, co-managed IT, microsoft 365 and cloud, iT planning (vCIO), flat-rate pricing, no long-term contract. The website did not say; call and ask.
Contact
- (314) 633-8000
- 6691 Manchester Ave, St. Louis, MO 63139
- Website
- View on Google Maps
Hours
- Monday
- 8AM-5PM
- Tuesday
- 8AM-5PM
- Wednesday
- 8AM-5PM
- Thursday
- 8AM-5PM
- Friday
- 8AM-5PM
- Saturday
- Closed
- Sunday
- Closed
Listing compiled from public sources on 2026-11-11. Report a correction or request removal. Back to managed IT providers in St. Louis.