Oasis Of Hope Church

Oceanographic Environmental Research Society

Old Time Gospel Hour Foundation

One Thousand Hills Charitable Foundation

Onstage Performance Group

Ontario Circuit 13a Of Jehovah's Witnesses

Ontario Classical Association

Ontario Community Justice Association (ocja)

Ontario District Association Of Chapters Spebsqsa

Ontario Field Ornithologists

Ontario Friends Of St Lucia Inc

Ontario Obsessive Compulsive Disorder Network

Ontario Organized Snowmobilers' Charitable Corporation

Ontario Parents Advocating For Children With Cancer

Ontario Secondary School Student Exchange Organization

Orillia Education Industry Foundation