| ONEKA 1961614 · TMA1142137 | Écoterre Distribution Inc. | 3 Cosmetics | Registered | 2022 |
|
| ONYKA 2282265 · design | EUROKERA | 11 Lighting20 Furniture21 Housewares | Pending | 2023 |
|
| ONCA 1718488 · TMA939701 · design | an individual | 9 Electronics18 Leather25 Clothing+2 | Registered | 2016 |
|
| ONGA 1637519 · TMA890213 · design | Enbridge Gas Inc. | 35 Advertising38 Telecommunications41 Education+1 | Registered | 2014 |
|
| ONKE 2286710 | SHANGHAI DINGYI NETWORK TECHNOLOGY CO. LTD. | 25 Clothing | Pending | 2023 |
|
| ONCAI 2157827 · TMA1218367 · design | Shenzhen Yichen Shidai Trading Co. Ltd. | 25 Clothing | Registered | 2024 |
|
| Omika 2073745 · TMA1177331 | an individual | 11 Lighting | Registered | 2023 |
|
| ONSIA 1884808 · TMA1070231 | Dedicated Sound and Audio Inc. | 9 Electronics16 Paper | Registered | 2020 |
|
| ONIGA 1707053 · TMA929152 | MODE AVALANCHE INC. | 25 Clothing | Registered | 2016 |
|
| ONEAC 0490858 · TMA280768 | Powervar, Inc. | 9 Electronics | Registered | 1983 |
|
| ONKYO 0382662 · TMA214321 | an individual | 9 Electronics | Registered | 1976 |
|
| ONEXA 2334808 | GROUPE SOLMAX INC. | 1 Chemicals17 Rubber19 Building | Pending | 2024 |
|
| ONKUE 2207370 | Aspargo Laboratories, Inc. | 5 Pharmaceuticals | Pending | 2022 |
|
| Onica 1960979 | Onica Technologies Canada, Inc. | 42 Science | Pending | 2019 |
|
| ONEEKK 2266021 · TMA1285027 | Shenzhen Benbenxiang Electronic Commerce Co. Ltd. | 21 Housewares | Registered | 2025 |
|
| ONYX 2191511 · TMA1233841 | Owner not shown | 35 Advertising44 Medical | Registered | 2024 |
|
| ONUS 2114825 · TMA1225879 · design | Zhongshan Shengtai Metal Goods Co. Ltd. | 6 Metal | Registered | 2024 |
|
| Ownsky 2112696 · TMA1192791 | an individual | 14 Jewellery | Registered | 2023 |
|
| oneach 2080582 · TMA1165961 | an individual | 11 Lighting | Registered | 2023 |
|
| OMSA 2078900 · TMA1209496 | GOLDEN LADY COMPANY S.p.A. | 9 Electronics10 Medical25 Clothing | Registered | 2023 |
|
| ONXE 2058769 · TMA1154181 | an individual | 9 Electronics | Registered | 2022 |
|
| ONYX 2049553 · TMA1166739 | Onyx Motorbikes Inc. | 12 Vehicles | Registered | 2023 |
|
| onnais 2027334 · TMA1174393 | Shenzhen Mengdan Technology Co. Ltd. | 6 Metal | Registered | 2023 |
|
| ONGO 1953726 · TMA1199513 | CBRS Alliance Non-Profit Mutual Benefit Corporation | 9 Electronics42 Science | Registered | 2023 |
|
| ONGO 1953716 · TMA1199512 · design | CBRS Alliance Non-Profit Mutual Benefit Corporation | 9 Electronics42 Science | Registered | 2023 |
|