| 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 |
| CUSTOMMATCH 1678274 · TMA911775 | Robert Half Inc. | 35 Advertising | Registered | 2015 |
| CUSTOMTUNE 2192154 · TMA1234811 | BOSE CORPORATION | 9 Electronics | Registered | 2024 |
| CustomNext 1816353 · TMA1006521 | Ambry Genetics Corporation, a legal entity | 44 Medical | Registered | 2018 |
| CUSTOMSEAL 1665277 · TMA1029365 | TRIVASCULAR INC. (CALIFORNIA CORPORATION) | 5 Pharmaceuticals10 Medical | Registered | 2019 |
| CUSTOMFEED 1665064 · TMA963657 | an individual | 10 Medical | Registered | 2017 |
| CUSTOMVENT 1299861 · TMA734280 | Panasonic Canada Inc. | 11 Lighting | Registered | 2009 |
| CUSTOMCATH 1010656 · TMA560152 | Biosense Webster, Inc. | 10 Medical42 Science | Registered | 2002 |
| CUSTOMDOC 0860724 · TMA554308 | Global Knowledge Network, Inc. (a Delaware Corporation) | 9 Electronics16 Paper | Registered | 2001 |
| CustomSwitch 1096047 · TMA621232 | ROYAL BANK OF CANADA | 36 Finance | Registered | 2004 |
| CustomStyle 1013889 · TMA540521 | Haier US Appliance Solutions, Inc. | 17 Rubber | Registered | 2001 |
| CUSTOMERHUB 2089708 · design | an individual | 35 Advertising37 Construction39 Transport+1 | Pending | 2021 |
| CUSTOMFX 2008440 · TMA1239344 | Conair LLC | 8 Hand | Registered | 2024 |
| CUSTOMFLEX 1939391 · TMA1154554 | an individual | 10 Medical | Registered | 2022 |
| 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 |
| CUSTOM 565 1820480 · TMA1067799 | CRS HOLDINGS, LLC | 6 Metal | Registered | 2020 |
| CUSTOM 1748836 · TMA1058061 · design | Unilever Global IP Limited | 3 Cosmetics44 Medical | Registered | 2019 |
| CUSTOMVUE 1745426 · TMA971248 | AMO Manufacturing USA, LLC | 44 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 |
| CUSTOMVUE 1607957 · TMA958589 | AMO Manufacturing USA, LLC | 9 Electronics10 Medical | Registered | 2016 |
| CUSTOMINK 1607085 · TMA911794 · design | CUSTOMINK, LLC | 25 Clothing | Registered | 2015 |
| CUSTOMINK 1607079 · TMA910935 | CUSTOMINK, LLC | 35 Advertising40 Treatment42 Science | Registered | 2015 |