| EXTRAHOP 1656897 · TMA917624 | ExtraHop Networks, Inc. | 9 Electronics42 Science | Registered | 2015 |
| EXTRAPRO 0887813 · TMA522735 | OLEET PROCESSING LTD. | 5 Pharmaceuticals | Registered | 2000 |
| EXTRICO 2113206 · TMA1222082 | Extrico Health Inc. | 9 Electronics35 Advertising42 Science | Registered | 2024 |
| EXTRÄAZ 2043661 · TMA1217912 | General Mills Marketing, Inc. | 30 Coffee | Registered | 2024 |
| EXTARO 1802530 · TMA985171 | an individual | 9 Electronics10 Medical | Registered | 2017 |
| EXTRACT 1381272 · TMA786764 · design | Splash Corporation | 3 Cosmetics | Registered | 2011 |
| EXXTRAL 0763294 · TMA448680 | Exxon Mobil Corporation | 1 Chemicals | Registered | 1995 |
| EXTRA!! 0726289 · TMA436838 | ATTACHMATE CORPORATION | 9 Electronics | Registered | 1994 |
| EXTRÄAS 0711248 · TMA425008 · design | General Mills Marketing, Inc. (a Delaware Corporation) | 30 Coffee | Registered | 1994 |
| EXTRA 0509534 · TMA311475 | WM. Wrigley JR. Company a Delaware corporation | 30 Coffee | Registered | 1986 |
| EXTRA 0486760 · TMA292501 | Owner not shown | 41 Education | Registered | 1984 |
| EXTRA 0421211 · TMA242590 | Bridon USA LLC | 22 Ropes | Registered | 1980 |
| EXTRA 0916054 · design | BRITISH COLUMBIA LOTTERY CORPORATION | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2004 |
| EXTRA 0905104 | BRITISH COLUMBIA LOTTERY CORPORATION | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1992 |
| EXTRA 0901463 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1984 |
| EXTRACTOR 1250151 · TMA662048 | CRYSTAL GLASS CANADA LTD. | 7 Machines | Registered | 2006 |
| EXTRACILS 1105031 · TMA605785 | Chanel Limited | 3 Cosmetics | Registered | 2004 |
| EXTRACTOR 0237032 · TMA106328 | an individual | 31 Fresh | Registered | 1957 |
| extractor 2320051 | Floratine Products Group, Inc. | 1 Chemicals | Pending | 2024 |
| EXTRAPOLE 2148854 | Perspective Affaires Inc | 9 Electronics41 Education42 Science | Pending | 2021 |
| EXTRACTOR 2114336 · design | Shear Power Corp. | 7 Machines37 Construction | Pending | 2021 |
| EXTRAMEL 1974056 · TMA1114996 · design | BIONOV | 3 Cosmetics5 Pharmaceuticals29 Meat | Registered | 2021 |
| EXTRACUT 1761965 · TMA1037521 · design | British American Tobacco (Brands) Inc. | 34 Tobacco | Registered | 2019 |
| EXTRANEB 1731789 · TMA960692 | Owner not shown | 10 Medical | Registered | 2017 |
| EXTRAFAX 1022425 · TMA570153 | EXTRACOMM, INC. | 9 Electronics16 Paper | Registered | 2002 |