| CORNER 1724953 · TMA939025 | an individual | 43 Restaurants | Registered | 2016 |
| CORNERMAX 1568267 · TMA864438 | Slingmax, Inc. a Pennsylvania corporation | 20 Furniture | Registered | 2013 |
| 3CORNER 1391230 · TMA743489 | TREND ENTERPRISES, INC., A Minnesota corporation | 28 Toys | Registered | 2009 |
| CUORENERO 1993584 · TMA1135563 · design | an individual | 30 Coffee | Registered | 2022 |
| 4 CORNERS 1699137 · TMA921800 · design | CDM Distribution Inc. | 27 Carpets | Registered | 2015 |
| CORENERGY 1091991 · TMA586379 | Shaklee Corporation (a Delaware corporation) | 5 Pharmaceuticals | Registered | 2003 |
| CORNERMATIC 1357043 · TMA745040 | HVAC Inventors / Systemation, Inc. | 7 Machines | Registered | 2009 |
| CORNERFORMS 0756076 · TMA469567 | WALLS AND FORMS, INC. | 7 Machines9 Electronics19 Building+1 | Registered | 1997 |
| COREENERGY 1922230 · TMA1110724 · design | CORE Technology Kabushiki Kaisha, trading as CORE Technologies Co. Ltd. | 25 Clothing | Registered | 2021 |
| CORNERWRAP 0832962 · TMA521310 | PACKAGING PRODUCTS INC. | 1 Chemicals16 Paper19 Building | Registered | 2000 |
| CORNERTUFF 0832961 · TMA521309 | PACKAGING PRODUCTS INC. | 1 Chemicals6 Metal16 Paper+2 | Registered | 2000 |
| CERMER 1830913 · TMA1004186 | an individual | 21 Housewares | Registered | 2018 |
| CORNROX 1820211 · TMA1071200 | Vibes Audio, LLC | 9 Electronics28 Toys | Registered | 2020 |
| CORMARK 1633229 · TMA896067 | Devicor Medical Products, Inc. | 10 Medical | Registered | 2015 |
| CHRONERGY 1656162 · TMA922101 | ROLEX SA | 14 Jewellery | Registered | 2015 |
| CORNERSTONE 2033417 · TMA1183543 | Owner not shown | 1 Chemicals9 Electronics11 Lighting+1 | Registered | 2023 |
| CORNERSTONE 2012322 · TMA1145528 | Ecolab USA, Inc. | 3 Cosmetics | Registered | 2022 |
| CORNERFIELD 1982012 · TMA1124272 | Cornerfield Wine Co. Ltd. | 32 Beer33 Wine40 Treatment+1 | Registered | 2022 |
| Cornerstone 1799668 · TMA987864 | NORAC CONCEPTS, INC. | 1 Chemicals | Registered | 2018 |
| CORNERSTONE 1770892 · TMA964114 | Next Pathway Inc. | 9 Electronics42 Science | Registered | 2017 |
| CORNERSTONE 1753273 · TMA998510 | Vauth-Sagel Holding GmbH & Co. KG | 6 Metal20 Furniture21 Housewares | Registered | 2018 |
| CORNERSTONE 1750725 · TMA969664 · design | Cornerstone Real Estate Advisers LLC | 36 Finance | Registered | 2017 |
| CORNERSTONE 1655661 · TMA922401 | an individual | 1 Chemicals5 Pharmaceuticals29 Meat | Registered | 2015 |
| CORNERSTONE 1647046 · TMA941761 | Cornerstone Chemical Company | 1 Chemicals | Registered | 2016 |
| CORNERSTONE 1645160 · TMA899503 | GENTEK BUILDING PRODUCTS LTD. | 6 Metal19 Building | Registered | 2015 |