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Upcoming Events

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

Lafarge Dundas, Only 12 spots available

Monday, May 14, 2018 Generic Supervisor Training Course
OSSGA Office, Mississauga, ON
Thursday, May 17, 2018 at 9:00 AM OSSGA Common Core Training Course
OSSGA Office, Mississauga, ON
Tuesday, June 5, 2018 at 10:00 AM OSSGA Violence, Harassment and Respect in the Workplace Workshop
OSSGA Office
Tuesday, June 12, 2018 at 6:00 PM OSSGA Rehabilitation Dinner with Presentations and Tour
Niagara Region Tour
Hilton Niagara Falls Hotel

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