| CUSTOMKOTE 1822996 · TMA1065722 | WestRock MWV, LLC, a legal entity | 16 Paper | Registered | 2019 |
| CUSTOMVITE 1348242 · TMA767320 | Stella Pharmaceutical Canada Inc. a Canadian corporation | 5 Pharmaceuticals | Registered | 2010 |
| 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 |
| CUSTOMCATH 1010656 · TMA560152 | Biosense Webster, Inc. | 10 Medical42 Science | Registered | 2002 |
| Customode 2324016 | METASEE LLC | 12 Vehicles | Pending | 2024 |
| CUSTOMERONE 0706342 · TMA419579 | FCA US LLC | 9 Electronics16 Paper41 Education | Registered | 1993 |
| CustomsCity 2303461 · design | Owner not listed | 9 Electronics42 Science | Pending | 2023 |
| CUSTOMTUNE 2192154 · TMA1234811 | BOSE CORPORATION | 9 Electronics | Registered | 2024 |
| CUSTOMVUE 1745426 · TMA971248 | AMO Manufacturing USA, LLC | 44 Medical | Registered | 2017 |
| CUSTOMVUE 1607957 · TMA958589 | AMO Manufacturing USA, LLC | 9 Electronics10 Medical | Registered | 2016 |
| CUSTOMIQUE 1393051 · TMA814053 | M/s. Customique Online Products Private Limited | 16 Paper24 Textiles25 Clothing | Registered | 2011 |
| CUSTOMYIZE 1302560 · TMA738234 | ACCO Brands Corporation | 16 Paper | Registered | 2009 |
| CUSTOMDOC 0860724 · TMA554308 | Global Knowledge Network, Inc. (a Delaware Corporation) | 9 Electronics16 Paper | Registered | 2001 |
| 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 |
| CUSTMBITE 2075080 | Dental Choice Holdings LLC | 3 Cosmetics10 Medical | Pending | 2021 |
| 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 |
| CustomChill 1702585 · TMA925175 | LG ELECTRONICS INC. | 11 Lighting | Registered | 2016 |
| CUSTOMMATCH 1678274 · TMA911775 | Robert Half Inc. | 35 Advertising | Registered | 2015 |
| CUSTOMPOINT 1333219 · TMA709606 | R.R. DONNELLEY & SONS COMPANY | 42 Science | Registered | 2008 |
| CUSTOMSOUND 1198887 · TMA679427 | LENBROOK INDUSTRIES LIMITED | 9 Electronics | Registered | 2007 |