Upcoming Events

Thursday, April 25, 2019 at 8:00 AM OSSGA Spills Response Training
OSSGA Office, Mississauga
Thursday, May 2, 2019 at 8:30 AM OSSGA Quality Control Training

Dundas - Only 10 spots!

Tuesday, May 14, 2019 OSSGA 1st Aid and CPR
OSSGA Office, Mississauga
Monday, May 27, 2019 Generic Supervisor Training Course
OSSGA Office, Mississauga, ON
Thursday, May 30, 2019 at 9:00 AM OSSGA Common Core Surface Miner Training
OSSGA Office, Mississauga
Wednesday, October 9, 2019 OSSGA Aggregates 101 & 201 Mississauga

Agg101 - October 9

Agg201 - October 10

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.