Upcoming Events

Wednesday, March 20, 2024 OSSGA Aggregates 101 - ONLINE
Thursday, March 21, 2024 OSSGA Common Core Training : ONLINE
Friday, March 22, 2024 OSSGA Aggregates 201 - ONLINE
Thursday, April 11, 2024 OSSGA Quality Control Training - IN PERSON
Wednesday, April 24, 2024 OSSGA Train the Trainer Program - IN PERSON


Welcome to the Ontario Stone, Sand & Gravel Association

OSSGA is a not-for-profit industry association representing over 280 sand, gravel, and crushed stone producers and suppliers of valuable industry products and services. 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. OSSGA works in partnership with government and the public to promote a safe and competitive aggregate industry contributing to the creation of strong communities in the province.  Find out more about OSSGA by exploring this site as well as GravelFacts.ca.