| speedfish 2179943 · TMA1194039 | an individual | 42 Science | Registered | 2023 |
| SPEEDFIT 1868110 · TMA1093361 | Speedfit IP Pty Ltd | 41 Education44 Medical | Registered | 2021 |
| SPEEDFIT3 1863072 · TMA1067350 | Edgewell Personal Care Brands, LLC | 8 Hand | Registered | 2019 |
| SPEEDFILL 1795311 · TMA1041894 | Saint-Gobain Abrasives, Inc. | 1 Chemicals | Registered | 2019 |
| SPEEDFIT 1603622 · TMA886462 | JOHN GUEST INTERNATIONAL LIMITED a legal entity | 6 Metal7 Machines9 Electronics+4 | Registered | 2014 |
| SPEEDBIRD 0667210 · TMA401089 | BRITISH AIRWAYS PLC | 39 Transport | Registered | 1992 |
| SPEEDBIRD 0240263 · TMA108989 | BRITISH AIRWAYS PLC | 39 Transport | Registered | 1958 |
| SPEEDFIT 2316564 | Wolfspeed, Inc. | 42 Science | Pending | 2024 |
| SPEEDPRIME 0301698 · TMA154161 | PPG Architectural Coatings Canada, Inc./PPG Revêtements architecturaux Canada, inc. | 2 Paints | Registered | 1967 |
| SPEEDFOX 2146882 · TMA1204088 · design | LightChasers Co. Ltd | 7 Machines | Registered | 2023 |
| SpeedWave 1991551 · TMA1192395 | Guangdong Galanz Enterprises Co. Ltd. | 11 Lighting | Registered | 2023 |
| SPITFIRE 1966581 · TMA1194136 | Parsons Xtreme Golf, LLC | 28 Toys | Registered | 2023 |
| SPOTFIRE 1947479 · TMA1198377 | BIOFIRE DIAGNOSTICS, LLC, A Limited Liability Company organized under the laws of Delaware | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2023 |
| SPITFIRE 1800453 · TMA990088 | an individual | 9 Electronics13 Firearms | Registered | 2018 |
| SPEEDFLEX 1689167 · TMA971150 | RIDDELL, INC. | 9 Electronics28 Toys | Registered | 2017 |
| SPEEDFOL 1686497 · TMA920744 · design | an individual | 1 Chemicals | Registered | 2015 |
| SPOTFIRE 1656836 · TMA940174 | Cloud Software Group, Inc. | 9 Electronics42 Science | Registered | 2016 |
| SPEEDTUBE 1652266 · TMA968430 | Precision Planting LLC, a Delaware limited liability company | 7 Machines | Registered | 2017 |
| SPITFIRE 1524004 · TMA833137 | Shepherd Neame Limited | 32 Beer | Registered | 2012 |
| SPEEDPRO 1504694 · TMA823684 | Speedpro Systems Inc. | 40 Treatment | Registered | 2012 |
| SPITFIRE 1482715 · TMA877317 | FMC of Canada Limited / FMC Canada Limitée | 5 Pharmaceuticals | Registered | 2014 |
| SPITFIRE 1442107 · TMA816673 | Firecraft Products Inc. | 11 Lighting13 Firearms | Registered | 2012 |
| SPITFIRE 1256934 · TMA709658 | THE BLACK & DECKER CORPORATION | 7 Machines9 Electronics | Registered | 2008 |
| SPITFIRE 1187914 · TMA638208 | RICHEMONT INTERNATIONAL SA | 14 Jewellery | Registered | 2005 |
| SPEEDBAKE 1051631 · TMA580868 | Electrolux Home Products, Inc. (a Delaware corporation) | 11 Lighting | Registered | 2003 |