| RADGATE 1426421 · TMA777007 | Real Time Medical Inc. | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2010 |
| REDCAT 2012937 · TMA1109486 | Namero, LLC | 28 Toys35 Advertising40 Treatment | Registered | 2021 |
| REDCAT 1653548 · TMA894270 | REDCAT GROUP PTY LTD | 9 Electronics | Registered | 2015 |
| REDACTED 1864279 · TMA1030172 | Redacted, Inc. | 36 Finance | Registered | 2019 |
| REDACTED 1819813 · TMA1083406 | Redacted, Inc. | 9 Electronics36 Finance42 Science+1 | Registered | 2020 |
| RIDGETEC 1725251 · TMA1000667 · design | an individual | 9 Electronics45 Legal | Registered | 2018 |
| REDICOTE 0437359 · TMA242320 | an individual | 1 Chemicals | Registered | 1980 |
| Ridgewater 1748005 · TMA945919 | Ridgewater Homes Ltd | 16 Paper35 Advertising37 Construction | Registered | 2016 |
| RIDGEWATER 1727320 · TMA945920 · design | Ridgewater Homes Ltd | 16 Paper25 Clothing35 Advertising+1 | Registered | 2016 |
| RADKOTE 1940152 · TMA1155688 | Actega North America, Inc. | 1 Chemicals | Registered | 2022 |
| REDCITY 1631680 · TMA941115 | REDCITY NETWORK INC. | 8 Hand9 Electronics14 Jewellery+15 | Registered | 2016 |
| REDACTO 1582182 · TMA879763 | Association des policières et policiers provinciaux du Québec | – | Registered | 2014 |
| REDCODE 1442485 · TMA799791 | Red.com, LLC | 9 Electronics | Registered | 2011 |
| REDUCT 1350909 · TMA729149 | REDUCT, a joint stock company organized and existing under the laws of Belgium | 9 Electronics | Registered | 2008 |
| REDCITY 2344350 | Owner not listed | 20 Furniture | Pending | 2024 |
| REDTASTIK 2035798 · TMA1161180 · design | an individual | 14 Jewellery16 Paper25 Clothing+1 | Registered | 2023 |
| REDACTINE 2344405 | an individual | 1 Chemicals5 Pharmaceuticals31 Fresh | Pending | 2024 |
| RADSTER 2284407 · TMA1278004 | Rad Power Bikes Inc. | 9 Electronics12 Vehicles | Registered | 2024 |
| Redagod 2263321 · TMA1283239 | Shenzhen weifengxiyu technology Co. LTD | 9 Electronics | Registered | 2025 |
| RADSTREET 2173882 · TMA1277394 | Rad Power Bikes Inc. | 9 Electronics12 Vehicles | Registered | 2024 |
| RDSTR 2159702 · TMA1231202 | an individual | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2024 |
| ROADSTER 2154697 · TMA1191103 | Merit Medical Systems, Inc. | 10 Medical | Registered | 2023 |
| ROADCODE 2126474 · TMA1234340 · design | HUAWEI TECHNOLOGIES CO., LTD. | 9 Electronics12 Vehicles16 Paper+1 | Registered | 2024 |
| Rootside 2090348 · TMA1170231 | Rootside Provisions Ltd. | 32 Beer33 Wine | Registered | 2023 |
| RedactOR 2043991 · TMA1208163 | DIGITAL SURGERY LIMITED | 9 Electronics41 Education42 Science | Registered | 2023 |