| CUSTOMCATH 1010656 · TMA560152 | Biosense Webster, Inc. | 10 Medical42 Science | Registered | 2002 |
| CustomSwitch 1096047 · TMA621232 | ROYAL BANK OF CANADA | 36 Finance | Registered | 2004 |
| CUSTOMTECH 1580719 · TMA905395 | Custom Building Products, Inc. | 17 Rubber19 Building | Registered | 2015 |
| 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 |
| 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 |
| CUSTOMCOTE 1042866 · TMA549507 | DENTSPLY SIRONA Inc. | 1 Chemicals | Registered | 2001 |
| CUSTOMDOC 0860724 · TMA554308 | Global Knowledge Network, Inc. (a Delaware Corporation) | 9 Electronics16 Paper | Registered | 2001 |
| CUSTOMAIR 0839172 · TMA489053 | HoMedics USA, LLC | 10 Medical20 Furniture | Registered | 1998 |
| CUSTOMARK 0256455 · TMA122026 | Neenah Paper FR, LLC (a Delaware limited liability company) | 16 Paper | Registered | 1961 |
| CUSTOMAIRE 2130617 | Emco Corporation | 9 Electronics11 Lighting17 Rubber+2 | Pending | 2021 |
| CUSTOMTUNE 2192154 · TMA1234811 | BOSE CORPORATION | 9 Electronics | Registered | 2024 |
| 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 |
| CUSTOM 565 1820480 · TMA1067799 | CRS HOLDINGS, LLC | 6 Metal | Registered | 2020 |
| CustomNext 1816353 · TMA1006521 | Ambry Genetics Corporation, a legal entity | 44 Medical | Registered | 2018 |
| CUSTOM 1748836 · TMA1058061 · design | Unilever Global IP Limited | 3 Cosmetics44 Medical | Registered | 2019 |
| CUSTOMVUE 1745426 · TMA971248 | AMO Manufacturing USA, LLC | 44 Medical | Registered | 2017 |
| CustomChill 1702585 · TMA925175 | LG ELECTRONICS INC. | 11 Lighting | Registered | 2016 |
| CUSTOMSEAL 1665277 · TMA1029365 | TRIVASCULAR INC. (CALIFORNIA CORPORATION) | 5 Pharmaceuticals10 Medical | Registered | 2019 |
| CUSTOMFEED 1665064 · TMA963657 | an individual | 10 Medical | Registered | 2017 |