| CUSTOMMATCH 1678274 · TMA911775 | Robert Half Inc. | 35 Advertising | Registered | 2015 |
| CustomsCity 2303461 · design | Owner not listed | 9 Electronics42 Science | Pending | 2023 |
| CUSTOMBIOTECH 1842163 · TMA1044606 · design | Roche Diagnostics GmbH | 1 Chemicals5 Pharmaceuticals9 Electronics+2 | Registered | 2019 |
| CUSTOMBIOTECH 2293130 · design | Roche Diagnostics GmbH | 1 Chemicals5 Pharmaceuticals42 Science | Pending | 2023 |
| CUSTOMTECH 1580719 · TMA905395 | Custom Building Products, Inc. | 17 Rubber19 Building | Registered | 2015 |
| CUSTOMVITE 1348242 · TMA767320 | Stella Pharmaceutical Canada Inc. a Canadian corporation | 5 Pharmaceuticals | Registered | 2010 |
| CUSTOMCATH 1010656 · TMA560152 | Biosense Webster, Inc. | 10 Medical42 Science | Registered | 2002 |
| CustomLink 1851734 · TMA1025846 | WALDEMAR LINK GMBH & CO. KG | 10 Medical | Registered | 2019 |
| 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 |
| CUSTOMSEAL 1665277 · TMA1029365 | TRIVASCULAR INC. (CALIFORNIA CORPORATION) | 5 Pharmaceuticals10 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 |
| CUSTOMERIQ 1490415 · TMA864654 | Itron Networked Solutions, Inc. | 42 Science | Registered | 2013 |
| CUSTOMIQUE 1393051 · TMA814053 | M/s. Customique Online Products Private Limited | 16 Paper24 Textiles25 Clothing | Registered | 2011 |
| CustomFirst 1354538 · TMA742458 | CUSTOMFIRST SOFTWARE INC. | 35 Advertising36 Finance37 Construction+8 | Registered | 2009 |
| CUSTOMPOINT 1333219 · TMA709606 | R.R. DONNELLEY & SONS COMPANY | 42 Science | Registered | 2008 |
| CUSTOMYIZE 1302560 · TMA738234 | ACCO Brands Corporation | 16 Paper | Registered | 2009 |
| CUSTOMVENT 1299861 · TMA734280 | Panasonic Canada Inc. | 11 Lighting | Registered | 2009 |
| CUSTOMSOUND 1198887 · TMA679427 | LENBROOK INDUSTRIES LIMITED | 9 Electronics | Registered | 2007 |
| CUSTOMWORKS 1102933 · TMA583182 | LONDON DRUGS LIMITED | 35 Advertising37 Construction42 Science | Registered | 2003 |
| CUSTOMCOTE 1042866 · TMA549507 | DENTSPLY SIRONA Inc. | 1 Chemicals | Registered | 2001 |
| CustomStyle 1013889 · TMA540521 | Haier US Appliance Solutions, Inc. | 17 Rubber | Registered | 2001 |