The Insurance Institute of Ontario (IIO) is a not-for-profit organization operating under the umbrella of the Insurance Institute. The IIO main office is located in Toronto, Ontario, with six local chapters throughout the province and an area office.

Cambrian Shield Chapter 
Conestoga Chapter 
Greater Toronto Area (GTA)
Hamilton/Niagara Chapter
Kawartha/Durham Chapter 
Ottawa Chapter 
Southwestern Ontario Chapter