Ooknakane Friendship Centre
Ootsa Lake Bible Camp Society
Open Arms Crisis Pregnancy Society
Open Arms Foursquare Church
Open Door Baptist Church
Open Door Bible Fellowship
Open Door Community Ministries
Open Door Drop-in For Single Mothers Society
Open Door Gospel Fellowship
Open Door Healing Rooms Society
Open Door Inner City Society, A Ministry Of The United...
Open Door Seventh-day Adventist Church
Open Door Social Services Society
Open Door Spiritualist Church/inner Quest Foundation
Open Heaven Ministries
Open Heaven Of Ottawa
Open Korean Church
Open Learning Foundation
Open Minds Open Windows
Open Museum Society