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The International Slurry Surfacing Association- ISSA

The International Slurry Surfacing Association is an international non-profit trade association comprised of contractors, equipment manufacturers, public officials, research personnel, consulting engineers and other industry interest, working together to promote the concept of pavement preservation with the increased and more efficient use of slurry and micro surfacing, chip seal and crack treatment in roadway pavement.

Asphalt Emulsion Manufacturers Assoc –AEMA

AEMA is a proactive organization dedicated to the advancement of the asphalt emulsion industry, constantly focusing on system preservation and the construction of the world’s infrastructure. The Asphalt Emulsion Manufacturers Association exists to promote the increased and more efficient use of asphalt emulsions.

Ontario Good Roads Association- OGRA

The Ontario Good Roads Association mandate is to advance the infrastructure and transportation interests of our members through training, advocacy and services. The annual Good Roads Conference features industry-leading keynote speakers, political addresses, concurrent sessions on key issues and a cutting-edge trade show.

Ontario Stone, Sand and Gravel Association (OSSGA)

OSSGA is a not-for-profit industry association representing over 280 sand, gravel and crushed stone producers and suppliers. Collectively, our members supply the substantial majority of the approximately 164 million tonnes of aggregate consumed annually in the province to build and maintain Ontario’s infrastructure needs.


The Ontario Road Builders’ Association (ORBA)

The Ontario Road Builders’ Association is the voice of over 100 road building contractors who build and maintain the majority of the provincial highway system and Ontario’s municipal roads and bridges. The Association also represents almost 80 Associate Members who manufacture, distribute and/or supply products, equipment and services to the road building industry.

Duncor Enterprises Inc. is a proud member of the above organizations. Duncor Enterprises  prides itself on the quality of their workmanship and are committed  to ensure all projects are completed to the highest standard, and provide clients with great service and a superior product.