We’re the Upper Canada Stone Company.

A multi-product quarrying company that supplies a wide range of dimension stone and architectural aggregate products to customers across North America.

About Our Company




Customer Focused Integrity – Since 1991

True, we are a stone quarrying company but, like any successful enterprise, our main strength is our team of honest, easy to deal with people who consistently deliver value for our Customers.
Let us do the same for you.

Request More Information

We are always happy to talk to you directly about your project.   Please use the form below to provide us with more details, or give us a call at 1-800-806-0000.

Our Quarries

3 Quarry Centres & One Dedicated Customer Service Team

  • Head Office Oro-Medonte, ON
  • Buckhorn Quarry Buckhorn, ON
  • River Valley Quarry River Valley, ON
  • Clarence Quarry + Processing Plant Madoc, ON
Buckhorn QuarryBuckhorn, ON
River Valley QuarryRiver Valley, ON
Head Office Oro-Medonte, ON

Clarence Quarry +
Processing PlantMadoc, ON