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Upcoming Events

Monday, March 26, 2018 at 9:00 AM OSSGA Generic First Line Supervisor Training

OSSGA Office, Mississauga, ON

Thursday, March 29, 2018 at 9:00 AM OSSGA Common Core Surface Miner Training

OSSGA Office, Mississauga

Thursday, April 12, 2018 at 8:30 AM OSSGA Aggregates 101 Training in Sudbury

Holiday Inn Sudbury Hotel

Saturday, April 14, 2018 at 8:30 AM OSSGA Spring Tune-up: Operations, Safety & Service Training

Thorold, Ontario

Thursday, May 3, 2018 at 8:30 AM OSSGA Quality Control Training

Lafarge Dundas, Only 12 spots available

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