| REListUp 1928767 · TMA1102729 | CALGARY REAL ESTATE BOARD CO-OPERATIVE LIMITED | 42 Science | Registered | 2021 |
| REALISTIC 1009666 · TMA540865 | HEALTH DEVICES CORPORATION | 10 Medical | Registered | 2001 |
| REALISTIC 0645966 · TMA384266 | Amka Health & Beauty International Limited | 3 Cosmetics | Registered | 1991 |
| REALISTIC 0336479 · TMA174954 | GENERAL WIRELESS IP HOLDINGS LLC | 6 Metal8 Hand9 Electronics+2 | Registered | 1971 |
| RELAST 2030781 · TMA1224896 | an individual | 1 Chemicals6 Metal42 Science | Registered | 2024 |
| ROLLSTER 1855711 · TMA1078892 | PJ Trailers Manufacturing, Inc. | 12 Vehicles | Registered | 2020 |
| RealStar 1807617 · TMA1037218 | altona Diagnostics GmbH | 1 Chemicals5 Pharmaceuticals9 Electronics | Registered | 2019 |
| ROLLSTAR 1583329 · TMA907479 | Hilex Poly Co. LLC | 16 Paper21 Housewares | Registered | 2015 |
| RELEST 1486886 · TMA851293 | Akzo Nobel Wood Coatings Ltd. | 2 Paints17 Rubber | Registered | 2013 |
| RALSTON 1358913 · TMA762238 · design | W. Ralston (Canada) Inc. | 16 Paper17 Rubber | Registered | 2010 |
| RELESTAT 1081827 · TMA567326 | BOEHRINGER INGELHEIM INTERNATIONAL GMBH | 5 Pharmaceuticals | Registered | 2002 |
| REALSTAR 0802228 · TMA521821 | an individual | 36 Finance37 Construction | Registered | 2000 |
| RALSTON 2343920 · design | an individual | 1 Chemicals2 Paints | Pending | 2024 |
| REALIST 2196955 | CHAMPION PETFOODS USA INC. | 31 Fresh | Pending | 2022 |
| Realists 2195172 | Realists Training Technologies GmbH | 7 Machines10 Medical41 Education+2 | Pending | 2022 |
| REALISTS 2168978 | Real Transport Inc. | 35 Advertising39 Transport | Pending | 2022 |
| REALESTOCK 1392847 · TMA744950 | Convergent Media Network Ltd. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2009 |
| RHOLISTIQ 2047843 · TMA1112110 | Kadmon Pharmaceuticals, LLC | 5 Pharmaceuticals | Registered | 2021 |
| REListCheck 1928769 · TMA1102728 | CALGARY REAL ESTATE BOARD CO-OPERATIVE LIMITED | 42 Science | Registered | 2021 |
| REALSTRENGTHS 2222825 · TMA1240411 | BUFFINI & COMPANY | 16 Paper42 Science44 Medical | Registered | 2024 |
| RLXT 2075039 · TMA1130072 · design | Shenzhen Relx Technology Co. Ltd. | 34 Tobacco35 Advertising | Registered | 2022 |
| Relectrify 2074687 · TMA1229248 | RELECTRIFY HOLDINGS PTY LTD | 9 Electronics | Registered | 2024 |
| RELIACATCH 1829444 · TMA1003239 | Covidien LP | 10 Medical | Registered | 2018 |
| ROYALSTAR 1825730 · TMA1122123 · design | HEFEI STATE-OWNED ASSETS HOLDING CO. LTD. | 7 Machines11 Lighting21 Housewares | Registered | 2022 |
| REALAWSTATE 1806782 · TMA1002407 | ReaLawState Realty Brokerage Canada Ltd. | 9 Electronics14 Jewellery16 Paper+5 | Registered | 2018 |