- City of Pickering
- Cobourg Police
- Cougs Investment Ltd
- DRPA
- Durham Regional Police Service
- Durham College
- Regional Municipality of Durham
- Joe Johnson Equipment
- Howard Humphrey MTC
- Lafarge Canada Inc
- Machinex
- Mackie Moving Systems
- Mid Ontario
- R.A. Graham Contractors Ltd
- Royal Bank
- St. Mary's Cement
- Tallman Group
- Toromont Cat
- Town of Whitby
- Veridian
- Versaterm
- Wheelwright Construction
- York Regional Police
