| RENTECH 1913350 · TMA1110403 · design | Rentech Boiler Systems, Inc. | 11 Lighting37 Construction40 Treatment+1 | Registered | 2021 |
| RENTECH 1912770 · TMA1115806 | Rentech Boiler Systems, Inc. | 11 Lighting37 Construction40 Treatment+1 | Registered | 2021 |
| RAINTECH 1096753 · TMA587657 | Raintech Irrigation Ltd. | 9 Electronics37 Construction42 Science | Registered | 2003 |
| RENOTECH 0728722 · TMA466773 · design | CAFUVI INC. | 16 Paper17 Rubber18 Leather+1 | Registered | 1996 |
| RANTECH 2263887 · design | Owner not listed | 12 Vehicles | Pending | 2023 |
| RhinoTech 1932932 · TMA1107279 | Big Time Products, LLC | 9 Electronics25 Clothing | Registered | 2021 |
| RHINOTECH 1700842 · TMA942215 | CALIFORNIA INNOVATIONS INC. | 21 Housewares | Registered | 2016 |
| Reniteco 2246373 · TMA1264508 | NANJING HIP HOP DOG INTERNATIONAL TRADE CO. LTD | 21 Housewares | Registered | 2024 |
| ROMTECH 2168794 · TMA1212476 | ROM Technologies, Inc. | 10 Medical28 Toys | Registered | 2023 |
| RAINTEC 1995596 · TMA1115017 | Mackintosh Limited | 24 Textiles | Registered | 2021 |
| REMTEC 0646412 · TMA386809 · design | REMTEC INC. | 12 Vehicles37 Construction | Registered | 1991 |
| REMATECH 0441534 · TMA243498 | VIACORE SOLUTIONS INC. | 7 Machines | Registered | 1980 |
| RENTEX 0349410 · TMA186698 · design | RENTEX MILLS INC. | 23 Yarns24 Textiles | Registered | 1972 |
| RENTEX 0314692 · TMA162171 | RENTEX MILLS INC. | 23 Yarns24 Textiles | Registered | 1969 |
| RENTCHECK 1730578 · TMA998104 | Rent Bureau of Canada Ltd. | 9 Electronics14 Jewellery16 Paper+6 | Registered | 2018 |
| RENTCHECK 1275060 · TMA673432 | Rent Bureau of Canada Ltd. | 16 Paper35 Advertising36 Finance+1 | Registered | 2006 |
| RENTCHECK 2363142 | Rent Bureau of Canada Ltd. | 9 Electronics38 Telecommunications42 Science | Pending | 2024 |
| REYNATIS 2259966 · TMA1277942 | FURYU CORPORATION | 9 Electronics | Registered | 2024 |
| RINOTEC 2225415 · TMA1241911 | PRO FARM GROUP, INC. | 5 Pharmaceuticals | Registered | 2024 |
| RENDEZVOUS 2210327 · TMA1282870 | A-L Outdoors, LLC | 5 Pharmaceuticals28 Toys | Registered | 2025 |
| RenataX 2199768 · TMA1237613 | an individual | 8 Hand | Registered | 2024 |
| RENTDESK 2199707 · TMA1241243 | Cityscape Real Estate Ltd | 35 Advertising36 Finance42 Science | Registered | 2024 |
| ROMITAKE 2080619 · TMA1165969 | an individual | 9 Electronics | Registered | 2023 |
| RUNTZ 2067805 · TMA1148143 · design | 3615 Market, LLC | 35 Advertising | Registered | 2022 |
| RENDESVOUZ 2067660 · TMA1180081 · design | Calgary Seton Hotel Investment LP | 43 Restaurants | Registered | 2023 |