| COOLTECH 1930132 · TMA1158525 | an individual | 10 Medical | Registered | 2022 |
| COOLTECH 2337446 | Owner not listed | 11 Lighting35 Advertising40 Treatment | Pending | 2024 |
| CellTec 2124351 · TMA1197748 | Medline Industries, LP | 12 Vehicles | Registered | 2023 |
| COOLTEX 1628802 · TMA995630 | WRANGLER APPAREL CORP. | 25 Clothing | Registered | 2018 |
| CULTEC 1509629 · TMA829968 | Advanced Drainage Systems, Inc. | 11 Lighting19 Building | Registered | 2012 |
| COLTECH 1344923 · TMA764920 | SOCIÉTÉ HUMANFASHIONATION INC. | 25 Clothing | Registered | 2010 |
| CELTEC 1106643 · TMA643792 | BFC Research GmbH | 9 Electronics17 Rubber | Registered | 2005 |
| COLTEX 0362819 · TMA195501 | Owner not shown | 5 Pharmaceuticals | Registered | 1973 |
| CHILLTECH 2337046 · design | an individual | 35 Advertising | Pending | 2024 |
| CLOUDTEC 2003602 · TMA1127197 | On Clouds GmbH | 25 Clothing | Registered | 2022 |
| COLOTECH 1932005 · TMA1107419 | RMC Ready-Mix Ltd. | 19 Building | Registered | 2021 |
| COOLDECK 1812097 · TMA1025304 | Moistureshield, Inc. | 19 Building | Registered | 2019 |
| CELLTECH 1670089 · TMA1043886 | CellTech Metals Inc. | 6 Metal7 Machines11 Lighting+5 | Registered | 2019 |
| CELLTECH 1639401 · TMA891849 · design | 8368023 Canada Inc. o.a. Celltech Communications | 35 Advertising37 Construction | Registered | 2014 |
| COLDTECH 1179914 · TMA688073 | DANBY PRODUCTS LIMITED | 11 Lighting | Registered | 2007 |
| CHOLETEC 0512355 · TMA293427 | an individual | 5 Pharmaceuticals | Registered | 1984 |
| COLTS 2062549 · TMA1164607 | Scandinavian Tobacco Group Canada Inc. | 34 Tobacco | Registered | 2023 |
| CELLTEX 1882152 · TMA1110923 | Celltex Therapeutics Corporation | 44 Medical | Registered | 2021 |
| CELTIC 1730344 · TMA1022907 | DAESUNG CELTIC ENERSYS Co. Ltd | 11 Lighting | Registered | 2019 |
| CELTEX 0991352 · NFLD1352 | SOUTHALLS (BIRMINGHAM) LIMITED | 10 Medical | Registered | 1925 |
| CALTEX 0684087 · TMA414562 | Chevron Intellectual Property LLC | 42 Science | Registered | 1993 |
| COLTS 0539358 · TMA339135 | INDIANAPOLIS COLTS, INC. | 14 Jewellery16 Paper20 Furniture+3 | Registered | 1988 |
| CALTAC 0504372 · TMA288469 | VWR International Holdings, Inc. | 1 Chemicals | Registered | 1984 |
| COLTS 0363239 · TMA258136 · design | INDIANAPOLIS COLTS, INC. | 11 Lighting14 Jewellery16 Paper+8 | Registered | 1981 |
| COLTS 0330398 · TMA173420 | Scandinavian Tobacco Group Canada Inc. | 11 Lighting34 Tobacco | Registered | 1970 |