| 3D OPTIMIZATION 1602883 · TMA887024 | NIKON OPTICAL CANADA INC. | 9 Electronics | Registered | 2014 |
| Optimization Coach 2136264 · TMA1219132 | Pathway to Enlightenment Inc. | 35 Advertising41 Education | Registered | 2024 |
| AGENT OPTIMIZATION 1524894 · TMA839672 | HOMELIFE REALTY SERVICES INC. | 35 Advertising36 Finance | Registered | 2013 |
| BROKER OPTIMIZATION 1524895 · TMA839671 | HOMELIFE REALTY SERVICES INC. | 35 Advertising36 Finance | Registered | 2013 |
| OPTIMIZATION MATTERS 1177738 · TMA701172 | an individual | 35 Advertising | Registered | 2007 |
| WORKFORCE OPTIMIZATION 1624777 · TMA1002010 | INSPERITY, INC. | 35 Advertising36 Finance41 Education+1 | Registered | 2018 |
| BRAINWAVE OPTIMIZATION 1556950 · TMA863091 | an individual | 42 Science | Registered | 2013 |
| Optimization Management 2136263 · TMA1253606 | Pathway to Enlightenment Inc. | 35 Advertising41 Education | Registered | 2024 |
| TOTAL HUMAN OPTIMIZATION 1744720 · TMA1017474 | Onnit Labs, Inc. | 5 Pharmaceuticals9 Electronics44 Medical | Registered | 2019 |
| INFINITE SELF OPTIMIZATION 2209330 | Infinite Strength Inc. | 41 Education44 Medical | Pending | 2022 |
| AG OPTIMIZATION SPECIALISTS 1815350 · TMA996350 | Rocky Mountain Equipment LP | 7 Machines35 Advertising37 Construction+4 | Registered | 2018 |
| MOUTHFEEL TECH OPTIMIZATION 2349624 · design | Owner not listed | 34 Tobacco | Pending | 2024 |
| VALUE EXCHANGE OPTIMIZATION 2152022 | Exchange Solutions Inc. | 35 Advertising | Pending | 2021 |
| DYNAMIC READING OPTIMIZATION 1878563 · TMA1050884 | SIGNET ARMORLITE, INC. | 9 Electronics | Registered | 2019 |
| Holographic Avatar Optimization 2215227 | an individual | 35 Advertising41 Education42 Science+2 | Pending | 2022 |
| RECOGNITION OPTIMIZATION PROCESS 1557189 · TMA840727 | Rideau Recognition Solutions Inc. | 35 Advertising41 Education | Registered | 2013 |
| PERATIV CASH OPTIMIZATION EXPERTS 1975532 · TMA1262182 · design | PERATIV SOLUTIONS INC. | 9 Electronics36 Finance37 Construction+1 | Registered | 2024 |
| Thermal Kinetics Optimization TKO 1399914 · TMA747333 | Delta Cleantech Inc. | 7 Machines9 Electronics35 Advertising+5 | Registered | 2009 |
| EMO ENGINE MANAGEMENT OPTIMIZATION 1174208 · TMA635066 · design | an individual | 35 Advertising37 Construction42 Science | Registered | 2005 |
| WIDER FUNNEL MARKETING OPTIMIZATION 1565706 · TMA858160 · design | Widerfunnel Marketing Inc. | 9 Electronics16 Paper35 Advertising+2 | Registered | 2013 |
| ONDOSE DOSE OPTIMIZATION TECHNOLOGY 1431283 · TMA819059 · design | Myriad Genetics, Inc. | 44 Medical | Registered | 2012 |
| DOT DECISION OPTIMIZATION TECHNOLOGY 1896411 · TMA1094364 · design | INFRASTRUCTURE SOLUTIONS (SOFTWARE) INC. | 9 Electronics35 Advertising36 Finance+3 | Registered | 2021 |
| TOP MAPS TOPDRESS OPTIMIZATION POTENTIAL 2007858 · TMA1267817 · design | Phantom Ag Ltd. | 9 Electronics39 Transport42 Science | Registered | 2024 |
| INFERSYSTEMS RTB OPTIMIZATION TECHNOLOGY 1554858 · TMA907442 · design | KOCHAVA, Inc. | 9 Electronics42 Science | Registered | 2015 |
| Audience Efficient Real-time Optimization 1680009 · TMA924110 | Exponential Interactive, Inc. | 35 Advertising | Registered | 2015 |