| REMTEC 0646412 · TMA386809 · design | REMTEC INC. | 12 Vehicles37 Construction | Registered | 1991 |
| RINOTEC 2225415 · TMA1241911 | PRO FARM GROUP, INC. | 5 Pharmaceuticals | Registered | 2024 |
| ROMTECH 2168794 · TMA1212476 | ROM Technologies, Inc. | 10 Medical28 Toys | Registered | 2023 |
| RAINTEC 1995596 · TMA1115017 | Mackintosh Limited | 24 Textiles | Registered | 2021 |
| RINOTEC 2311155 | PRO FARM GROUP, INC. | 1 Chemicals | Pending | 2024 |
| RIMTECTOR 1476004 · TMA845003 | an individual | 3 Cosmetics4 Oils7 Machines+4 | Registered | 2013 |
| RAMTEX 1382628 · TMA789886 | L&O Hunting Group GmbH | 18 Leather22 Ropes25 Clothing | Registered | 2011 |
| RemoteGC 1503688 · TMA816556 | an individual | 16 Paper45 Legal | Registered | 2012 |
| RAINTECH 1096753 · TMA587657 | Raintech Irrigation Ltd. | 9 Electronics37 Construction42 Science | Registered | 2003 |
| RHINOTEC 0785982 · TMA496664 | LINVATEC CORPORATION, A FLORIDA CORPORATION | 10 Medical | Registered | 1998 |
| REMATECH 0441534 · TMA243498 | VIACORE SOLUTIONS INC. | 7 Machines | Registered | 1980 |
| 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 |
| RAINTEK 1477647 · TMA806315 | Owner not shown | 37 Construction42 Science | Registered | 2011 |
| ROMATIC 1379314 · TMA743327 | Autokontrol Limited | 9 Electronics | Registered | 2009 |
| ROMATIC 2268119 | Munchkin, Inc. | 3 Cosmetics21 Housewares | Pending | 2023 |
| 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 |
| RAINMATIC 0803490 · TMA471167 | LAWN & GARDEN, LLC | 9 Electronics | Registered | 1997 |
| REMOTECON 2276712 | Remotecon Limited | 9 Electronics | Pending | 2023 |
| REYNATIS 2259966 · TMA1277942 | FURYU CORPORATION | 9 Electronics | Registered | 2024 |
| Reniteco 2246373 · TMA1264508 | NANJING HIP HOP DOG INTERNATIONAL TRADE CO. LTD | 21 Housewares | Registered | 2024 |
| RuenTech 2218066 · TMA1246782 | an individual | 14 Jewellery | Registered | 2024 |
| RENDEZVOUS 2210327 · TMA1282870 | A-L Outdoors, LLC | 5 Pharmaceuticals28 Toys | Registered | 2025 |