O A C Alumni Foundation
O L P H Parent-school Education Future Fund
O S C V I Regional Auditorium Project
O'brien/jackson Family Foundation
O'connor Focus Community Against Substance Abuse
O'connor Free Methodist Church
O'connor Irish Heritage House
O'connor Volunteer Fire Department Auxiliary
O'gorman School Foundation Inc.
O'Hara Volunteers Association
O'rourke And Muldoon Memorial Fund
O-pee-chee Employees Charitable Fund,
O.c.a.s.i.
O.l.o.s.charities
O.s.j. Charities Trust Fund
O.s.s.t.f. - Lester B. Pearson Collegiate Institute,...
Oak Centre: Alternative Community Support
Oak Flats Free Methodist Church,
Oak Meadows Christian Schools Inc.
Oak Park Co-operative Children's Centre Inc.