Thursday, September 20, 2018 OSSGA Operations Tour
Cambridge and KW Region
Wednesday, October 3, 2018 at 9:30 AM OSSGA Aggregates 101 Training
Thursday, October 4, 2018 at 9:30 AM OSSGA Aggregates 201 Training
Wednesday, October 10, 2018 at 8:00 AM OSSGA Environment Management at Pits & Quarries Workshop
Dave & Busters, Vaughan
Tuesday, October 23, 2018 at 8:30 AM OSSGA Quality Control Training
CBM Codrington - Only 10 spots!
Wednesday, November 7, 2018 at 8:00 AM OSSGA Spills Response Training
OSSGA Office, Mississauga
Our Organizational Structure
The Ontario Stone, Sand & Gravel Association is directed by elected Officers and a Board of Directors. Association committees, comprised of volunteers, complement the services provided to the membership. The CEO and staff handle the routine business affairs of the Association and regularly report to the Board.
- Chair of the Board: Bill Marquardt, CBM Aggregates
- Vice Chair of the Board: Quinn Moyer, Nelson Aggregate Co.
- Secretary: Mark Geens, Lafarge Holcim Canada Inc.
- Treasurer: George Lourenco, Capital Paving
- Immediate Past Chair of the Board: Dan O'Hara, Dufferin Aggregates, a Division of CRH Canada Group Inc.
- Executive Director: Norman Cheesman (Ex Officio Board Member)
- Scott Berquist, R.W. Tomlinson
- David Hanratty, CBM Aggregates
- Bill Kester, Summit Aggregates
- Ryan Wall, Walker Industries
- Scott Boyle, Miller Group
- Richard Erdmann, Dufferin Aggregates, a Division of CRH Canada Group Inc.
- Frank Kielbowich, Walker Industries
- John Mackay, Aecon Construction & Materials
- Ron Brent, Brent Quarries
- David White, Devry Smith Frank LLP
- Heather Melcher, Golder Associates Ltd.
- Darrin Rousselle, Kal Tire
- Jim Thornton, Toromont CAT
- Angelo Muscillo, Bulk Transfer Systems (ex-officio)
Active Past Chairs
- Ryan Essex (2013), Miller Paving
- Malcolm Croskery (2014), Pioneer Construction
- James Gordon (2015), Fowler Construction
- Steve Bisson (2016), Nelson Aggregate Co.