Open Purse Foundation

Open Space Arts Society

Open Valley Cowboy Church

Opening Nite Theatre Society

Opera Appassionata Society

Operation Compassion Society

Operation Exodus Canada

Operation Lookout Canada-centre For Missing Youth Corp

Operation Rainbow Canada

Operation Street Cat

Operation Trackshoes Society

Opportunities For The Disabled Foundation

Opportunities in Education Foundation

Opra Orphan Pet Rescue And Adoption Society

Optaid Foundation

Option Youth Society

Options Community Services Society

Options For Sexual Health

Options Pregnancy Centre

Options-job Mart Society