| CustomLink 1851734 · TMA1025846 | WALDEMAR LINK GMBH & CO. KG | 10 Medical | Registered | 2019 |
| CUSTOMINK 1607085 · TMA911794 · design | CUSTOMINK, LLC | 25 Clothing | Registered | 2015 |
| CUSTOMINK 1607079 · TMA910935 | CUSTOMINK, LLC | 35 Advertising40 Treatment42 Science | Registered | 2015 |
| CUSTOMINK 1607077 · TMA919365 · design | CUSTOMINK, LLC | 25 Clothing35 Advertising40 Treatment+1 | Registered | 2015 |
| CUSTOMVENT 1299861 · TMA734280 | Panasonic Canada Inc. | 11 Lighting | Registered | 2009 |
| CUSTOMSOUND 1198887 · TMA679427 | LENBROOK INDUSTRIES LIMITED | 9 Electronics | Registered | 2007 |
| 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 |
| CustomKing 2318984 | Anhui Baba Rabbit Business Co. Ltd. | 21 Housewares | Pending | 2024 |
| CUSTOMERLINK 0862473 · TMA511014 | an individual | 9 Electronics16 Paper35 Advertising+3 | Registered | 1999 |
| Customthings 2337190 | MAKEBLOCK CO. LTD. | – | Pending | 2024 |
| CUSTOMTUNE 2192154 · TMA1234811 | BOSE CORPORATION | 9 Electronics | Registered | 2024 |
| CUSTOMKOTE 1822996 · TMA1065722 | WestRock MWV, LLC, a legal entity | 16 Paper | Registered | 2019 |
| CustomNext 1816353 · TMA1006521 | Ambry Genetics Corporation, a legal entity | 44 Medical | Registered | 2018 |
| CustomChill 1702585 · TMA925175 | LG ELECTRONICS INC. | 11 Lighting | Registered | 2016 |
| CUSTOMPLEX 1534620 · TMA831045 | SQI Diagnostics Systems Inc. | 1 Chemicals9 Electronics10 Medical+1 | Registered | 2012 |
| CUSTOMERSAT 1513118 · TMA908896 | CustomerSat.com, Inc. | 35 Advertising42 Science | Registered | 2015 |
| CUSTOMERIQ 1490415 · TMA864654 | Itron Networked Solutions, Inc. | 42 Science | Registered | 2013 |
| CUSTOMPLUS 1367624 · TMA727457 | The Gillette Company LLC | 8 Hand | Registered | 2008 |
| CustomFirst 1354538 · TMA742458 | CUSTOMFIRST SOFTWARE INC. | 35 Advertising36 Finance37 Construction+8 | Registered | 2009 |
| CUSTOMVITE 1348242 · TMA767320 | Stella Pharmaceutical Canada Inc. a Canadian corporation | 5 Pharmaceuticals | Registered | 2010 |
| CUSTOMYIZE 1302560 · TMA738234 | ACCO Brands Corporation | 16 Paper | Registered | 2009 |
| CUSTOMWORKS 1102933 · TMA583182 | LONDON DRUGS LIMITED | 35 Advertising37 Construction42 Science | Registered | 2003 |
| CUSTOMCOTE 1042866 · TMA549507 | DENTSPLY SIRONA Inc. | 1 Chemicals | Registered | 2001 |