| ROUTEWORTHY 1842768 · TMA1059988 | ROUTEWORTHY INC. | 35 Advertising36 Finance39 Transport+2 | Registered | 2019 |
| RITERATE 1224090 · TMA641555 | Canadian RiteRate Energy Corporation | 35 Advertising | Registered | 2005 |
| Redroad 2224856 · TMA1250140 | Mantolo Technology (Suzhou) Co.,Ltd | 7 Machines | Registered | 2024 |
| RetroAudio 2149215 · TMA1219160 | Guangdong Transcontinental Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| RETROTEK 2094614 · TMA1232059 | Reflective Measurement Systems Ltd. | 9 Electronics11 Lighting42 Science | Registered | 2024 |
| Ratereturn 2046374 · TMA1150423 | an individual | 35 Advertising36 Finance | Registered | 2022 |
| RETREATLIFE 2013897 · TMA1154992 | Aviva Canada Inc. | 36 Finance | Registered | 2022 |
| READREADY 1989783 · TMA1270562 | an individual | 42 Science | Registered | 2024 |
| RETREADUCATOR 1930163 · TMA1142252 | Bridgestone Bandag, LLC | 9 Electronics16 Paper36 Finance+2 | Registered | 2022 |
| RETROD 1896935 · TMA1082621 | JB International Holdings Limited | 25 Clothing | Registered | 2020 |
| READIWRITER 1859299 · TMA1082059 · design | 3P Learning Limited, an Australian company | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2020 |
| READIWRITER 1859297 · TMA1082054 | 3P Learning Limited, an Australian company | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2020 |
| REITIRATE 1839679 · TMA1033089 | Owner not shown | 42 Science | Registered | 2019 |
| RATRID 1797236 · TMA1019226 | ConSeal International Incorporated | 5 Pharmaceuticals | Registered | 2019 |
| ROADREADY 1775609 · TMA1026566 | Nordco Inc. | 7 Machines | Registered | 2019 |
| RETRODOR 1737445 · TMA1034420 | an individual | 29 Meat30 Coffee31 Fresh+3 | Registered | 2019 |
| RETREADUCATION 1601997 · TMA917931 | Bridgestone Bandag, LLC | 35 Advertising41 Education | Registered | 2015 |
| RODARTE 1596876 · TMA917636 | Rodarte, LLC | 14 Jewellery18 Leather25 Clothing | Registered | 2015 |
| RETRIDERM 1573238 · TMA860270 | Biopelle, Inc. | 3 Cosmetics | Registered | 2013 |
| RETROTEN 1560898 · TMA894519 | ADVANCED RESEARCH LTD | 19 Building | Registered | 2015 |
| RETHREDZ 1516912 · TMA827640 | an individual | 28 Toys37 Construction | Registered | 2012 |
| RETREAT 1489204 · TMA855520 · design | Sears Canada Inc. | 25 Clothing | Registered | 2013 |
| RETRODOR 1179607 · TMA624702 | an individual | 30 Coffee | Registered | 2004 |
| RETRODOR 1160828 · TMA617661 · design | an individual | 30 Coffee | Registered | 2004 |
| RIDURID 1139993 · TMA640040 | an individual | 1 Chemicals6 Metal7 Machines+4 | Registered | 2005 |