| OMA 2136565 · TMA1198000 · design | an individual | 43 Restaurants | Registered | 2023 |
| OM 1937661 · TMA1143191 | I.C.M.G. HOLDINGS LTD. | 35 Advertising36 Finance37 Construction | Registered | 2022 |
| OMI 1928170 · TMA1111050 | Carrier Corporation | 35 Advertising37 Construction | Registered | 2021 |
| ÔMY 1901015 · TMA1084543 | Gestion Gomez & Séguin inc. | 3 Cosmetics9 Electronics14 Jewellery+5 | Registered | 2020 |
| OM 1835576 · TMA1066841 · design | OM International Services (Carlisle) Ltd. | 16 Paper41 Education | Registered | 2019 |
| OM 1827504 · TMA1029962 · design | Moondust Cosmetics Ltd. | 3 Cosmetics9 Electronics16 Paper+2 | Registered | 2019 |
| OM 1812250 · TMA1044094 | ROBERN, INC. | 11 Lighting20 Furniture | Registered | 2019 |
| OM 1805905 · TMA1070360 · design | Open Mesh, Inc. | 9 Electronics42 Science | Registered | 2020 |
| OM 1797244 · TMA1049678 · design | OWEN MUMFORD LIMITED | 10 Medical35 Advertising42 Science+1 | Registered | 2019 |
| 'Ome 1790168 · TMA990645 | an individual | 8 Hand9 Electronics12 Vehicles+13 | Registered | 2018 |
| OMI 1127266 · TMA596487 | an individual | 37 Construction44 Medical | Registered | 2003 |
| OMO 0990327 · NFLD327 | Unilever Canada Inc. | 3 Cosmetics30 Coffee | Registered | 1910 |
| OM 0851825 · TMA497049 · design | an individual | 18 Leather | Registered | 1998 |
| OM2 0824939 · TMA518584 | Enbridge Inc. | 9 Electronics | Registered | 1999 |
| OM 0362854 · TMA196799 | Olympus Corporation | 8 Hand9 Electronics10 Medical+8 | Registered | 1974 |
| "OM" 0191540 · UCA24643 | OM Pharma SA | 5 Pharmaceuticals | Registered | 1946 |
| OM 2327891 · design | Shenzhen Mingce Technology Co. Ltd. | 7 Machines9 Electronics18 Leather+3 | Pending | 2024 |
| OM 2255695 · design | OWEN MUMFORD LIMITED | 10 Medical42 Science | Pending | 2023 |
| OMA 2162986 | Ontario Medical Association | 9 Electronics16 Paper35 Advertising+6 | Pending | 2022 |
| OM5 2112005 | Office Master, Inc. | 20 Furniture | Pending | 2021 |
| OM 2058022 | OM ORGANICS INC. | 3 Cosmetics4 Oils11 Lighting+2 | Pending | 2020 |
| OMO 2043621 | Unilever Canada Inc. | 3 Cosmetics5 Pharmaceuticals | Pending | 2020 |
| OMA 0972088 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2006 |
| OMM 0971774 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1997 |
| OMI 0971582 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1997 |