| EXTRAFOODS 0800901 · TMA476775 · design | LOBLAWS INC. | 35 Advertising | Registered | 1997 |
| Extrapture 2197807 · TMA1222480 | Owner not shown | 1 Chemicals | Registered | 2024 |
| EXTRACOUPON 1979444 · TMA1254460 · design | an individual | 9 Electronics36 Finance | Registered | 2024 |
| EXTRUBOND 1769343 · TMA1048282 | CELANESE CANADA ULC | 1 Chemicals | Registered | 2019 |
| EXTRABLUES 1430607 · TMA771317 · design | an individual | 31 Fresh | Registered | 2010 |
| EXTRAPOLE 2148854 | Perspective Affaires Inc | 9 Electronics41 Education42 Science | Pending | 2021 |
| ExtravaCats 2141154 · TMA1200323 | ExtravaCats Inc | 20 Furniture | Registered | 2023 |
| Extralo 2109791 · TMA1226789 | FRAMATOME | 1 Chemicals | Registered | 2024 |
| ExtraAccess 1935309 · TMA1134452 | Electrolux Home Products, Inc. | 11 Lighting | Registered | 2022 |
| EXTRACUT 1761965 · TMA1037521 · design | British American Tobacco (Brands) Inc. | 34 Tobacco | Registered | 2019 |
| EXTRANEB 1731789 · TMA960692 | Owner not shown | 10 Medical | Registered | 2017 |
| EXTRAHOP 1656897 · TMA917624 | ExtraHop Networks, Inc. | 9 Electronics42 Science | Registered | 2015 |
| EXTRON 1260044 · TMA672823 | RGB Systems, Inc. | 9 Electronics | Registered | 2006 |
| EXTRACILS 1105031 · TMA605785 | Chanel Limited | 3 Cosmetics | Registered | 2004 |
| EXTRAWIDE 1008130 · TMA539489 | NATIONAL HOMES MANAGEMENT INC. | 36 Finance | Registered | 2001 |
| EXTRAPRO 0887813 · TMA522735 | OLEET PROCESSING LTD. | 5 Pharmaceuticals | Registered | 2000 |
| EXTRÄAS 0711248 · TMA425008 · design | General Mills Marketing, Inc. (a Delaware Corporation) | 30 Coffee | Registered | 1994 |
| EXTRUDE 0641944 · TMA374319 | Kerr Corporation | 5 Pharmaceuticals | Registered | 1990 |
| EXTRACIN 0410346 · TMA235211 | BRISTOL-MYERS SQUIBB COMPANY | 5 Pharmaceuticals | Registered | 1979 |
| EXTREWIND 2279866 | Jifeng YUNYI (XIAMEN) Supply Chain Management Co. LTD | 12 Vehicles | Pending | 2023 |
| EXTRAVACANCES 0907158 | HER MAJESTY THE QUEEN IN RIGHT OF THE PROVINCE OF NEW BRUNSWICK AS REPRESENTED BY THE MINISTER OF ECONOMIC DEVELOPMENT AND TOURISM | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1995 |
| EXTREME 2308650 · TMA1258591 | MATCO FOODS LIMITED | 30 Coffee | Registered | 2024 |
| ESTROCONTROL 2272995 · TMA1212607 | ATP ATHLÉTIQUE ET THÉRAPEUTIQUE PHARMA INC. | 5 Pharmaceuticals | Registered | 2023 |
| ECCATRU 2222883 · TMA1243255 | XSTO Solutions, LLC | 5 Pharmaceuticals | Registered | 2024 |
| EZYDOR 2219334 · TMA1249788 · design | Studco Building Systems US, LLC | 6 Metal19 Building | Registered | 2024 |