Charities

• ONTARIO STREET BAPTIST CHURCH
• Ontario Student Awards Foundation
• ONTARIO STUDENT DEBATING UNION
• Ontario Tech University
• Ontario Tennis Foundation
• ONTARIO THERAPEUTIC RIDING ASSOCIATION
• ONTARIO TRACK3 ADAPTIVE SPORTS ASSOCIATION
• ONTARIO TRAILS COUNCIL, INC
• Ontario Traumatic Injury Association
• ONTARIO TROWEL TRADES TRAINING FUND
• ONTARIO TURFGRASS RESEARCH FOUNDATION
• ONTARIO TURTLE CONSERVATION CENTRE
• Ontario Vipassana Foundation
• ONTARIO VOCAL FESTIVAL
• ONTARIO VOLUNTEER EMERGENCY RESPONSE TEAM (OVERT) INC
• Ontario Wapiti Restoration Association
• Ontario Water Centre
• Ontario Weimaraner Rescue and Assistance (OWRASSIST)
• ONTARIO WHEELS FOR LEGS SUCCESSABILITY INC
• Ontario Wildlife Foundation
• ONTARIO WILDLIFE RESCUE CENTRES
• ONTARIO WOMAN'S CHRISTIAN TEMPERANCE UNION,
• Ontario Women's History Network
• ONTARIO WOODCARVERS ASSOCIATION
• ONTARIO WOUND CARE (Judy Dan Research & Treatment Centre)
• Ontario Youth Parliament Association (OYPA)
• ONTARIO ZOROASTRIAN COMMUNITY FOUNDATION
• Ontariogreen Conservation Association
• ONTARIO-LESOTHO EDUCATIONAL SUSTAINING FUND
• ONTARIO'S NORTH FOR THE CHILDREN/LE NORD DE L'ONTARIO POUR L
• ONTCHILD INSTITUTIONS ASSOCIATION
• ONTRAC INDEPENDENT LIVING SOCIETY
• On-Track Career and Employment Services Inc.
• OnTrack Institute of Christian Leadership (Canada)
• Onward Gospel Church
• Onward Homes
• Onyx Community Foundation
• Ooknakane Friendship Centre
• OOLAGEN - Youth Mental Health
• OOPSADAZY RESCUE AND SANCTUARY SOCIETY
• O'Opthut Sul'hween (Gathering of Elders) Society
• Oorah Charitable Organization
• OOTSA LAKE BIBLE CAMP SOCIETY
• Opal Family Services
• OPAL INC
• OPASQUIAK EDUCATIONAL AUTHORITY INC
• OPC St Andrew's Presbyterian Church
• OPCM
• OPEN AIR CAMPAIGNERS INCORPORATED
• OPEN ARMS