Levels Niveaux | Organization Organisation | Website Site Internet |
|---|---|---|
| Supporter | OCAS | https://www.ocas.ca/ |
| Supporter | Office to Advance Women Apprentices -Newfoundland and Labrador | http://www.womenapprentices.ca |
| Supporter | Okanagan College | http://www.okanagan.bc.ca/ |
| Supporter | Ontario Construction Secretariat | http://iciconstruction.com |
| Supporter | Ontario Secondary School Teachers' Federation | https://www.osstf.on.ca/ |
| Champion | OpenCircle | http://www.opencircle.ca |
| Patron | Operating Engineers Training Institute of Ontario | http://www.oetio.com/ |
| Champion | OYAP | https://www.oyappajo.com/ |
| Champion | PCL Industrial Management Inc. | https://www.pcl.com/ca/en |
| Supporter | Plan Group Inc. | https://plan-group.com |