| GREENNOSE 2173013 · TMA1266877 · design | Zhejiang Free Trade Zone Green Nose Import&Export Co.,Ltd. | 3 Cosmetics5 Pharmaceuticals8 Hand+11 | Registered | 2024 |
| GREENIES 2046417 · TMA1108836 · design | Mars Canada Inc. | 5 Pharmaceuticals | Registered | 2021 |
| GREENIES 1922980 · TMA1106658 · design | Mars Canada Inc. | 31 Fresh | Registered | 2021 |
| GREENIES 1136749 · TMA599019 | Mars Canada Inc. | 31 Fresh | Registered | 2004 |
| GREENNEXXUS 1376252 · TMA799981 | E9 Group Inc. | 35 Advertising36 Finance38 Telecommunications+2 | Registered | 2011 |
| GREENSENSE 2125204 · TMA1221247 | an individual | 21 Housewares | Registered | 2024 |
| GREENSTEPS 1928567 · TMA1111450 | 4207696 Canada Inc. | 25 Clothing | Registered | 2021 |
| GREENCAST 1893641 · TMA1109925 · design | an individual | 42 Science44 Medical | Registered | 2021 |
| GREENSEAL 1839930 · TMA1042127 | GREENSEAL CANNABIS COMPANY, LTD. | 9 Electronics11 Lighting14 Jewellery+10 | Registered | 2019 |
| GREENSEA 1817530 · TMA1071044 | Greensea Systems, Inc. | 9 Electronics42 Science | Registered | 2020 |
| GREENIUS 1800360 · TMA988425 · design | LANDSCAPE MANAGEMENT NETWORK INC. | 41 Education | Registered | 2018 |
| GREENIUS 1800359 · TMA987746 | LANDSCAPE MANAGEMENT NETWORK INC. | 41 Education | Registered | 2018 |
| GREENGEN 1654600 · TMA935464 · design | an individual | 9 Electronics | Registered | 2016 |
| GREENCELL 1529507 · TMA879100 | an individual | 1 Chemicals | Registered | 2014 |
| GREENEGG 1494183 · TMA858798 | GOLDEN VALLEY FOODS LTD. | 29 Meat | Registered | 2013 |
| GREENSEAM 1455068 · TMA826483 | DUCTMATE INDUSTRIES, INC. | 6 Metal | Registered | 2012 |
| GREENIUS 1448097 · TMA774713 | SMS PRODUCT DESIGN INC. | 9 Electronics12 Vehicles18 Leather+2 | Registered | 2010 |
| GreenEx 1445494 · TMA809127 | Bio-Solutions Corp. | 5 Pharmaceuticals | Registered | 2011 |
| GREENCERT 1392009 · TMA770474 | EVERGREEN ENERGY INC. | 42 Science | Registered | 2010 |
| GREENIACS 1358770 · TMA761211 | Washington Realty Group, Inc. | 35 Advertising41 Education42 Science+1 | Registered | 2010 |
| GREENGEL 1303126 · TMA760363 | Greengel International Inc. | 5 Pharmaceuticals11 Lighting | Registered | 2010 |
| GREENSET 1289160 · TMA771000 · design | an individual | 19 Building24 Textiles25 Clothing+1 | Registered | 2010 |
| GreenSeal 0882411 · TMA520446 | Schlumberger Lift Solutions Canada Limited | 7 Machines17 Rubber | Registered | 1999 |
| GREENS+ 0877367 · TMA524159 | Graci Research, Ltd. | 5 Pharmaceuticals29 Meat30 Coffee+1 | Registered | 2000 |
| GREENS+ 0736852 · TMA453717 | Graci Research, Ltd. | 5 Pharmaceuticals | Registered | 1996 |