- Association of Ontario Road Supervisors (AORS)
- Baker Tilly KDN LLP
- Cambium Inc.
- Conservation Ontario
- Dillon Consulting
- Eastern Ontario College Consortium
- Enbridge
- Frank Cowan Company
- Hydro One Networks Inc.
- Image Advantage Solutions Inc.
- Infrastructure Ontario
- Municipal Finance Officers’ Association (MFOA)
- Municipal Property Assessment Corporation (MPAC)
- Municipal World
- Office of the Ontario Ombudsman
- Ontario Clean Water Agency (OCWA)
- Safesidewalks Canada Inc.
- Tangible Words
- United Counties of Stormont, Dundas and Glengarry
- Xplornet Communications Inc.
