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Duncor Enterprises Inc. has a full line of crushing and screening equipment giving us the capability to crush and size granite, limestone, bank gravel, and screen various sands and topsoil.

Easy mobility allows our experienced crews to relocate as required, and make a variety of customized products to suit our customer’s needs.


Duncor produces high quality aggregates sourced from our 2 quarry locations, Seguin Quarry, located in Humphrey,  and Clarke Quarry, located in Port Sydney. We supply a variety of granite products, from screenings to gabion stone for retail sales to local contractors and produce various classes of aggregates used in our pavement preservation operations, plus material suitable for Asphalt Mix Design.

The Topsoil Store, located in Barrie ON, provides an unlimited supply of screened and unscreened topsoil.

All locations offer the option of customer pick up or delivery.

Quality Control

Duncor’s in house certified Type C Laboratory allows us to constantly monitor products to ensure quality is maintained and material remains within provincial specifications during the entire crushing/screening process.

For further information on Aggregate needs, Contact Us Today.

Duncor Enterprises Inc – Aggregates company, Ontario
Phone: 705-730-1999
Fax: 705-730-7977
E-mail: info@duncor.ca