Our Operation

Upper Canada Stone is a multi-product quarrying company that supplies a wide range of dimension stone and architectural aggregate products to various industries across North America. Our Operations consist of:

• Administrative Offices in Oro-Medonte
• Midnight Black Granite Quarry at River Valley
• Madoc processing and packaging plant
• Eldorado Chocolate Limestone Quarry
• Mephisto White Calcite Quarry
• Seven other marble quarries each within 10 km of the Madoc Plant