| CUSTOMKOTE 1822996 · TMA1065722 | WestRock MWV, LLC, a legal entity | 16 Paper | Registered | 2019 |
| CUSTOMCOTE 1042866 · TMA549507 | DENTSPLY SIRONA Inc. | 1 Chemicals | Registered | 2001 |
| CUSTOMVUE 1745426 · TMA971248 | AMO Manufacturing USA, LLC | 44 Medical | Registered | 2017 |
| CUSTOMVUE 1607957 · TMA958589 | AMO Manufacturing USA, LLC | 9 Electronics10 Medical | Registered | 2016 |
| CUSTOMERONE 0706342 · TMA419579 | FCA US LLC | 9 Electronics16 Paper41 Education | Registered | 1993 |
| CUSTOMTUNE 2192154 · TMA1234811 | BOSE CORPORATION | 9 Electronics | Registered | 2024 |
| CUSTOMFLEX 1939391 · TMA1154554 | an individual | 10 Medical | Registered | 2022 |
| CUSTOMFEED 1665064 · TMA963657 | an individual | 10 Medical | Registered | 2017 |
| CUSTOMYZER 1653080 · TMA962432 | Tervis Tumbler Company | 42 Science | Registered | 2017 |
| CUSTOMEYES 1618405 · TMA917265 | Beaver-Visitec International (US), Inc. | 5 Pharmaceuticals10 Medical | Registered | 2015 |
| CUSTOMPLEX 1534620 · TMA831045 | SQI Diagnostics Systems Inc. | 1 Chemicals9 Electronics10 Medical+1 | Registered | 2012 |
| CUSTOMEYES 1462724 · TMA801107 | Owner not shown | 3 Cosmetics | Registered | 2011 |
| CUSTOMIQUE 1393051 · TMA814053 | M/s. Customique Online Products Private Limited | 16 Paper24 Textiles25 Clothing | Registered | 2011 |
| CUSTOMVITE 1348242 · TMA767320 | Stella Pharmaceutical Canada Inc. a Canadian corporation | 5 Pharmaceuticals | Registered | 2010 |
| CUSTOMYIZE 1302560 · TMA738234 | ACCO Brands Corporation | 16 Paper | Registered | 2009 |
| CUSTOMCARE 1181252 · TMA612938 | Monsanto Technology L.L.C. a Delaware limited liability company | 35 Advertising | Registered | 2004 |
| CustomCare 1180766 · TMA631728 | AGA FINANCIAL GROUP INC. | 36 Finance | Registered | 2005 |
| CUSTOMIZER 0849283 · TMA493194 | ACCO Brands Corporation | 16 Paper | Registered | 1998 |
| CUSTOMLINE 0734633 · TMA439168 | DASHWOOD INDUSTRIES LIMITED | 19 Building | Registered | 1995 |
| CUSTOMLINE 0623568 · TMA365046 | The Chesterfield Shop (Ontario) Ltd. | 11 Lighting20 Furniture | Registered | 1990 |
| CUSTOMLINE 0501907 · TMA307792 | CertainTeed Ceilings Corporation | 6 Metal19 Building | Registered | 1985 |
| CUSTOMAIRE 2130617 | Emco Corporation | 9 Electronics11 Lighting17 Rubber+2 | Pending | 2021 |
| CUSTONOMY 2173980 · TMA1226094 · design | Custonomy Company Limited | 36 Finance42 Science | Registered | 2024 |
| CUSTOMFX 2008440 · TMA1239344 | Conair LLC | 8 Hand | Registered | 2024 |
| Costonome 1998774 · TMA1125784 | an individual | 16 Paper41 Education42 Science | Registered | 2022 |