| SPOTFIRE 1947479 · TMA1198377 | BIOFIRE DIAGNOSTICS, LLC, A Limited Liability Company organized under the laws of Delaware | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2023 |
| SPOTFIRE 1656836 · TMA940174 | Cloud Software Group, Inc. | 9 Electronics42 Science | Registered | 2016 |
| SPITFIRE 1966581 · TMA1194136 | Parsons Xtreme Golf, LLC | 28 Toys | Registered | 2023 |
| SPITFIRE 1800453 · TMA990088 | an individual | 9 Electronics13 Firearms | Registered | 2018 |
| SPOTFRAC 1662995 · TMA901917 | NCS MULTISTAGE, LLC | 7 Machines37 Construction40 Treatment | Registered | 2015 |
| SPOTFLEX 1623555 · TMA885201 | HOFMANN GMBH | 7 Machines37 Construction | Registered | 2014 |
| SPITFIRE 1524004 · TMA833137 | Shepherd Neame Limited | 32 Beer | Registered | 2012 |
| SpotPass 1519421 · TMA874539 | NINTENDO OF AMERICA INC. | 38 Telecommunications | Registered | 2014 |
| SpotPass 1519418 · TMA874538 | NINTENDO OF AMERICA INC. | 9 Electronics | Registered | 2014 |
| 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 |
| SPITFIRE 0835705 · TMA515036 | Honeywell Safety Products USA, Inc. | 9 Electronics | Registered | 1999 |
| SPITFIRE 0757721 · TMA450197 | Diversey, Inc. (a Delaware corporation) | 3 Cosmetics | Registered | 1995 |
| SPOTFIX 2208440 | an individual | 9 Electronics | Pending | 2022 |
| SPOTBEE 2161644 | Spotbee Inc. | 9 Electronics45 Legal | Pending | 2022 |
| SPOTBOT 1883109 · TMA1117070 | ShockWatch, Inc. | 9 Electronics | Registered | 2022 |
| SPEEDBLADE 1644739 · TMA904187 | TAYLOR MADE GOLF COMPANY, INC. | 28 Toys | Registered | 2015 |
| SPITBALL 1442106 · TMA825474 | Firecraft Products Inc. | 5 Pharmaceuticals | Registered | 2012 |
| SPOTIFY 1438294 · TMA903585 | an individual | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2015 |
| SPEEDBLADE 1378062 · TMA753962 | Degelman Industries LP, by its general partner, Degelman Industries GP Inc. | 7 Machines | Registered | 2009 |
| SPOTBLOK 1136723 · TMA593633 | Rug Doctor, Inc. | 3 Cosmetics | Registered | 2003 |
| SpotBox 2266326 | an individual | 28 Toys | Pending | 2023 |
| SOFTWAVE 2135257 | an individual | 10 Medical | Pending | 2021 |