| YAHTZEE 0369886 · TMA202635 | HASBRO, INC. | 28 Toys | Registered | 1974 |
| Yeetec 2189596 · TMA1233613 | an individual | 28 Toys | Registered | 2024 |
| YAHEETECH 1809239 · TMA989225 · design | Shenzhen Qianhai Yahee E-commerce Co.Ltd | 6 Metal8 Hand9 Electronics+5 | Registered | 2018 |
| YOU2TEC 1970980 · TMA1281611 | 2464177 Ontario Inc. | 5 Pharmaceuticals9 Electronics10 Medical+5 | Registered | 2025 |
| yootech 1955110 · TMA1118303 | SHENZHEN KAIXINGHUI TECHNOLOGY CO.LTD. | 9 Electronics | Registered | 2022 |
| YOUTECH 1900677 · TMA1090462 | YOU TECHNOLOGY, LLC | 35 Advertising42 Science | Registered | 2020 |
| Yatasie 2264481 · TMA1284857 | Qingyuan Yiming Smart Home Co. LTD. | 20 Furniture | Registered | 2025 |
| YOUDGEE 2223205 · TMA1249908 | Shenzhen YOUDGEE Digital Co., Ltd. | 10 Medical | Registered | 2024 |
| Yotache 2148730 · TMA1203127 | Shenzhen Chuangyou International Trade Co. Ltd. | 24 Textiles | Registered | 2023 |
| YYDS 2140387 · TMA1199126 | an individual | 34 Tobacco | Registered | 2023 |
| YDX 2133808 · TMA1175973 | an individual | 12 Vehicles | Registered | 2023 |
| YDX 2124042 · TMA1187589 | an individual | 16 Paper | Registered | 2023 |
| Yeeatz 2111108 · TMA1179344 | Xiamen Meiya Hulian e-commerce Co. Ltd. | 16 Paper | Registered | 2023 |
| YEETTAS 2003874 · TMA1140335 | Bowonike (Beijing) Sports Goods Limited Liability Company | 25 Clothing | Registered | 2022 |
| YTK 1938094 · TMA1119881 | Shenzhen Yaxin General Machinery Co. Ltd. | 7 Machines | Registered | 2022 |
| YUEDGE 1933324 · TMA1142176 | Shenzhen YuJie Outdoor Sporting Goods Co. Ltd. | 25 Clothing | Registered | 2022 |
| YOUDOC 1916989 · TMA1126721 | Groupe T2i SA | 9 Electronics35 Advertising42 Science | Registered | 2022 |
| YHDC 1992 1815547 · TMA1066114 · design | BEIJING YAOHUADECHANG ELECTRONIC CO. LTD | 9 Electronics | Registered | 2019 |
| yateks 1798327 · TMA1003026 | Shenzhen yateks Optical Electronic Technology Co., Ltd | 9 Electronics | Registered | 2018 |
| YTTCW 1787461 · TMA983873 | an individual | 41 Education | Registered | 2017 |
| YTX 1643038 · TMA900046 · design | 9182-3930 Québec Inc. | 7 Machines12 Vehicles35 Advertising | Registered | 2015 |
| YAUATCHA 1500906 · TMA817693 | Hakkasan Limited | 43 Restaurants | Registered | 2012 |
| YUTAKA 1349112 · TMA768894 | KABUSHIKI KAISHA YUTAKA GIKEN ALSO TRADING AS YUTAKA GIKEN CO. LTD. | 7 Machines12 Vehicles | Registered | 2010 |
| YDK 0423191 · TMA243179 · design | YAMAMOTO ELECTRIC CORPORATION | 7 Machines17 Rubber | Registered | 1980 |
| YDAGKH 2355160 | Qingdao Jingyuan Runshi Trading Co. Ltd. | 3 Cosmetics | Pending | 2024 |