Oak Island Tourism Society
Oakwood Academy Association
Ocean Breezes Interpretation Centre
Oceans Institute Of Canada/ Institut Canadien Des Oceans
Old Burying Ground Foundation
Old Cemetery Association
One Church
Onelight Theatre Society
Open Amrs Community Church Christian Association
Open Bible Church Of Musquodoboit Valley Society
Opera Nova Scotia Society
Operation Go Home Society - Halifax Chapter
Order Of The Holy Sepulchre For Canada - Atlantic
Our Lady Of Schools Association
Outnabout Trippers Group Society Of Nova Scotia