OSSGA brings together, in one organization, aggregate producers; industry suppliers of heavy machinery and automated systems; manufacturers and dealers; environmental consultants; planning consultants; lawyers; engineers; researchers; landscape architects; contractors; educators, and other companies and individuals associated with the aggregate industry. 

We are the voice voice aggregate.  Collectively, our members supply a significant majority of the approximately 164 million tonnes of aggregate consumed annually in the province.

Help us be an even stronger advocate by adding your voice to the conversation.  Join OSSGA today!

View OSSGA's membership brochure here

To download an application form, please click on one of the links below:

ACTIVE MEMBERSHIP APPLICATION (producers)

ASSOCIATE MEMBERSHIP APPLICATION (suppliers)

For more information, please contact Eva Da Silva at 905-507-0711.