| GRAPHICJET 1557943 · TMA834885 | Domtar Paper Company, LLC | 16 Paper | Registered | 2012 |
| GRAPHIC 1118445 · TMA587650 · design | GRAPHIC PRINTING ROLLER LTD. | 7 Machines37 Construction40 Treatment | Registered | 2003 |
| GRAPHIC 0592897 · TMA352831 | GRAPHIC PRINTING ROLLER LTD. | 7 Machines | Registered | 1989 |
| GRAPHIC 0431291 · TMA240398 | Global Total Office (an Ontario limited partnership) | 20 Furniture | Registered | 1980 |
| GraphOS 2299520 · TMA1257134 | Apollo Graph, Inc. | 42 Science | Registered | 2024 |
| GraphCoat 2133288 · TMA1194856 | Green Graphite Technologies Inc. | 1 Chemicals | Registered | 2023 |
| GRAPHCORE 1906832 · TMA1120010 · design | Graphcore Limited | 9 Electronics | Registered | 2022 |
| GRAPHCORE 1906593 · TMA1120011 | Graphcore Limited | 9 Electronics | Registered | 2022 |
| GRAPHOS 1364389 · TMA760753 | Graphos Graphic Design Studios Inc. | 35 Advertising42 Science | Registered | 2010 |
| GRAPHSTAR 0642775 · TMA443418 | Spicers Canada ULC | 1 Chemicals2 Paints3 Cosmetics+11 | Registered | 1995 |
| GRAPHISOFT 0616839 · TMA454037 | an individual | 9 Electronics | Registered | 1996 |
| 52Graphics 2353179 | an individual | 40 Treatment42 Science | Pending | 2024 |
| GraphCore 2233916 | BLACK SWAN GRAPHENE INC. | 1 Chemicals2 Paints19 Building | Pending | 2023 |
| Griefscapes 1617435 · TMA968333 | an individual | 6 Metal9 Electronics14 Jewellery+7 | Registered | 2017 |
| GRIPCLIP 2309966 · TMA1116612 | Owner not listed | 16 Paper | Registered | 2021 |
| GRAVIX 2262729 · TMA1283172 | an individual | 28 Toys | Registered | 2025 |
| GRFISIA 2255078 · TMA1277623 | Yiwu Aoku Import & Export Co. Ltd. | 9 Electronics | Registered | 2024 |
| GRPSKCOS 2218991 · TMA1246876 · design | Shenzhen Youlai Cosmetics Trading Co., Ltd. | 25 Clothing | Registered | 2024 |
| GRAFSOUL 2175205 · TMA1226171 | Guangzhou Chuyu Fashion Design Co. Ltd. | 18 Leather25 Clothing | Registered | 2024 |
| GREFUSION 2174991 · TMA1226139 · design | Shanghai Torise Digital Technology Co.Ltd | 16 Paper | Registered | 2024 |
| GrapeGrow 2169429 · TMA1214596 | TerraLink Horticulture Inc. | 1 Chemicals | Registered | 2023 |
| GARBAGEPRO 2168955 · TMA1219914 | Kraus USA Plumbing LLC | 21 Housewares | Registered | 2024 |
| GRIPSURE 2160676 · TMA1210106 | Gripsure International Ltd. | 19 Building | Registered | 2023 |
| GRUBJUS 2145746 · TMA1215276 | Phyllom BioProducts Corporation | 5 Pharmaceuticals | Registered | 2023 |
| Grubgrab 2095275 · TMA1172553 | an individual | 7 Machines35 Advertising | Registered | 2023 |