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3SO is now part of a
new, stronger Mohawk Medbuy

On April 1, 2023, Mohawk Medbuy Corporation (MMC) officially acquired Shared Support Services Southeastern Ontario (3SO) – a natural next step in the collaboration our two organizations have enjoyed over the years.

Our newly united team will be offering the same great level of service and support while expanding the value and insight we provide for our Member hospitals in the region. For more information, read our official announcement.

To ensure continuity of service, the same Eastern Ontario staff you work with and depend on will continue to support you. They’ll be based at the Kingston office as the Eastern Ontario team of Mohawk Medbuy.

Contacting Legacy 3SO Staff

Email: All staff email addresses have changed and their 3SO ones are no longer active. To reach legacy 3SO staff, use their new Mohawk Medbuy email address (e.g. Jane Smith =

Phone: There is no change to individual staff phone numbers, or the main number for our Kingston office, which remains: 613-531-2471. If you don’t have the contact information of a legacy 3SO team member you’re trying to reach, please use our Online Contact Form.

Accessing Legacy 3SO Resources and Forms

Visit the Eastern Ontario Office – Legacy Resources page for:

  • E-Req resources
  • Forms
  • Standard abbreviations and other resources

Learn More About Mohawk Medbuy

Mohawk Medbuy is a national, not-for-profit, shared services organization. Find out more at