- AECOM
- Belshaw & Associates
- BMO Financial Group
- Canadian Scale
- DRP Services Board
- Durham Regional Police Service
- Fraser Ford
- GE Capital
- Harris
- Johnstone & Cowling, LLP
- KPMG
- McAsphalt
- Nortrax
- OPG
- Petro Canada
- RBC
- St. Mary’s Cement
- Telus
- The Miller Group
- Tiremaster
- Toshiba
- TriCity Equipment
- UOIT
- Vicdom Sand & Gravel
- Waterford Building Maintenance
- Winslow’s Gerolamy
