O Stock Name orosurSymbol omiObsidian Energy Ltd.OceanaGold CorporationOlympia Financial Group Inc.ONEX CorporationOpen Text CorporationOptiva Inc.OR Royalties Inc.Orbit Garant Drilling Inc.Orezone Gold CorporationOrganigram Global Inc.Orla Mining LtdOrvana Minerals Corp.Osisko Metals IncorporatedOvintiv Inc.
See also Toronto Stock Exchange List of Canadian companies S&P/TSX Composite Index
External links Toronto Stock Exchange