| CompleTest 1877444 · TMA1074713 | FLUROTECH LTD. | 9 Electronics | Registered | 2020 |
| COMPLETE 2204287 · TMA1249699 | PrimeSource Building Products, Inc. (Delaware Corporation) | 6 Metal8 Hand | Registered | 2024 |
| CompleteBP 2128359 · TMA1173993 | ATCOR MEDICAL PTY LTD | 10 Medical42 Science | Registered | 2023 |
| ComplyDocs 1910058 · TMA1098680 | McDougall Scientific Limited | 42 Science | Registered | 2021 |
| COMPLETE 1810110 · TMA1018619 | Masterchem Industries LLC | 2 Paints | Registered | 2019 |
| COMPLETE 1799467 · TMA1045391 | NDL Industries Inc. | 11 Lighting | Registered | 2019 |
| COMPLETECNG 1716780 · TMA943650 | Clean Energy Compression Corporation, dba I.M.W. Industries, Ltd. | 6 Metal7 Machines9 Electronics+3 | Registered | 2016 |
| COMPLETE 1651867 · TMA888802 | Elswood Investment Corporation | 1 Chemicals3 Cosmetics6 Metal+8 | Registered | 2014 |
| Complément+ 1631044 · TMA938354 | Owner not shown | 36 Finance | Registered | 2016 |
| COMPLETE 1625343 · TMA935891 · design | The Procter & Gamble Company | 5 Pharmaceuticals | Registered | 2016 |
| COMPLETE 1533967 · TMA871072 · design | The Procter & Gamble Company | 3 Cosmetics21 Housewares | Registered | 2014 |
| COMPLETE 1498341 · TMA813865 | Diversey, Inc. | 3 Cosmetics | Registered | 2011 |
| COMPLETE 1339855 · TMA763193 | OvumOptics Inc. | 9 Electronics10 Medical16 Paper+3 | Registered | 2010 |
| COMPLETE 0848989 · TMA520351 · design | Roche Diagnostics GmbH | 1 Chemicals | Registered | 1999 |
| COMPLETE 0727789 · TMA432439 · design | Johnson & Johnson Surgical Vision, Inc. | 5 Pharmaceuticals9 Electronics | Registered | 1994 |
| COMPLETE 0701464 · TMA412450 | Johnson & Johnson Surgical Vision, Inc. | 5 Pharmaceuticals | Registered | 1993 |
| COMPLETE 0450392 · TMA260568 | Diversey, Inc. (a Delaware corporation) | 3 Cosmetics | Registered | 1981 |
| COMPLEMENT 2259791 | Owner not listed | 9 Electronics35 Advertising36 Finance+3 | Pending | 2023 |
| COMPLYDATA 2200471 | IVXS UK Limited | 9 Electronics35 Advertising36 Finance+1 | Pending | 2021 |
| COMPLETECHECK 1798633 · TMA1026187 | INTUIT INC. A DELAWARE CORPORATION | 9 Electronics35 Advertising42 Science | Registered | 2019 |
| COMPLETECHEF 1888490 · TMA1069179 | Conair LLC | 8 Hand9 Electronics21 Housewares | Registered | 2020 |
| COMPLETEPAY 1682717 · TMA908508 | Loren, Nancke & Company, Incorporated | 36 Finance | Registered | 2015 |
| COMPLICITÉ 0889079 · TMA519678 | GROUPE ULTIMA INC. | 36 Finance | Registered | 1999 |
| COMPLEAT 0873903 · TMA574401 | Owner not shown | 5 Pharmaceuticals29 Meat | Registered | 2003 |
| COMPLET 0490438 · TMA278603 | Diversey, Inc. (a Delaware corporation) | 3 Cosmetics | Registered | 1983 |