Join us in Toronto for the OSSGA Conference and AGM February 21 – 23, 2023 

Please be advised the ministry has posted the 2023 aggregate fees and royalties, adjusted for annual inflation to Indexed fee and royalty rates that apply to 2023 production will increase by 6.5%, compared to an increase of 2.4% last year.

Surface Miner Specialty Modules. At Your Site. On Your Equipment. Click here to learn more.

Learn about our latest award winners for Community Relations, Environmental Achievement, Rehabilitation and more!

The Toronto Brick Yard Quarry below Felstead Avenue. Follow the link above to discover the 'hole story' about aggregate.

Upcoming Events

Tuesday, February 21, 2023 OSSGA Conference - IN PERSON

Hilton Toronto Hotel

Monday, February 27, 2023 OSSGA Common Core Training - ONLINE
Thursday, March 2, 2023 Concrete Ontario Annual Ski Day

Osler Bluff Ski Club, Collingwood, ON

Thursday, April 13, 2023 OSSGA Aggregates 101 - IN PERSON
Holiday Inn Sudbury
Friday, April 14, 2023 OSSGA Aggregates 201 - IN PERSON
Holiday Inn Sudbury


OSSGA in the News January 17, 2023 at 8:09 AM
OSSGA is committed to being the voice of aggregate and educating the public by celebrating the successes of our members with stories about awards and community involvement and also correcting misinfor…
2023 Aggregate Fees and Royalties November 24, 2022 at 8:35 AM