title: Companies listed on the Toronto Stock Exchange (O)
text: # Companies listed on the Toronto Stock Exchange (O)
  
  ## O
  
  | Stock Name orosur | Symbol omi |
  | - | - |
  | Obsidian Energy Ltd. | OBE |
  | OceanaGold Corporation | OGC |
  | Olympia Financial Group Inc. | OLY |
  | Oncolytics Biotech Inc. | ONC |
  | Onex Corporation | OCX |
  | Open Text Corporation | OTC |
  | Opsens Inc. | OPS |
  | Optiva Inc. | OPT |
  | Orbit Garant Drilling Inc. | OGD |
  | Orea Mining Corp. | OREA |
  | Organigram Holdings Inc. | OGI |
  | Orla Mining Ltd | OLA |
  | Orocobre Limited | ORL |
  | Orosur Mining Inc. | OMI |
  | Orvana Minerals Corp. | ORV |
  | Oryx Petroleum Corporation Limited | OXC |
  | Osisko Gold Royalties Ltd | OR |
  | Osisko Mining Inc. | OSK |
  | Ovintiv Inc. | OVV |
  