Oakville Trafalgar High School Charitable Trust

Oakville United Pentecostal Church

Oakville Vineyard Christian Fellowship

Oakville Wild Bird Infirmary Inc

Oakville Wind Orchestra

Oakwood Baptist Church

Oakwood Children's House

Oakwood Collegiate Alumni Association Fund

Oakwood Congregation Of Jehovah's Witnesses

Oakwood Wesleyan Church

Oasis Addiction Recovery Society

Oasis Centre Des Femmes Inc.

Oasis Dufferin Community Centre

Oasis Of Faith Worship Centre

Oasis Of Praise Christian Ministries International

Oasis Pentecostal Church

Ober Family Foundation

Oblate Fathers Of Assumption Province

Observer Publications Inc.

Obsidian Theatre Company Inc.