| YRC 1445712 · TMA784289 · design | Yellow Corporation | 35 Advertising39 Transport | Registered | 2010 |
| YRC 1348235 · TMA712782 | Yellow Corporation | 35 Advertising39 Transport | Registered | 2008 |
| YORK 1908280 · TMA1107801 | Tyco Fire & Security GmbH | 7 Machines9 Electronics11 Lighting | Registered | 2021 |
| YIREGO 1877307 · TMA1103394 | Yirego Corp. | 3 Cosmetics5 Pharmaceuticals7 Machines+3 | Registered | 2021 |
| YRSS 1820572 · TMA996672 | an individual | 12 Vehicles | Registered | 2018 |
| YORK 1740820 · TMA1043805 | Tyco Fire & Security GmbH | 37 Construction | Registered | 2019 |
| YORK 1740759 · TMA985748 | Tyco Fire & Security GmbH | 40 Treatment | Registered | 2017 |
| YORK 1685284 · TMA908413 | York Wallcoverings, Inc. | 16 Paper27 Carpets | Registered | 2015 |
| YORK 1235922 · TMA703939 · design | Cadbury UK Limited | 30 Coffee | Registered | 2008 |
| YORK 1198156 · TMA647836 · design | Cadbury UK Limited | 30 Coffee | Registered | 2005 |
| YORK 0993291 · NFLD3291 | Tyco Fire & Security GmbH | 6 Metal7 Machines9 Electronics+8 | Registered | 1949 |
| YORK 0781702 · TMA468878 | Cadbury UK Limited | 30 Coffee | Registered | 1997 |
| YORK 0696521 · TMA415210 · design | Tyco Fire & Security GmbH | 7 Machines11 Lighting | Registered | 1993 |
| YORX 0673312 · TMA405815 · design | D.P.I. (H.K.) Limited | 9 Electronics | Registered | 1992 |
| YORK 0632113 · TMA372760 | Tyco Fire & Security GmbH | 11 Lighting37 Construction | Registered | 1990 |
| YORK 0542011 · TMA315583 · design | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 29 Meat31 Fresh | Registered | 1986 |
| YORK 0532130 · TMA324988 · design | YORK BARBELL HOLDINGS LIMITED | 9 Electronics28 Toys | Registered | 1987 |
| YORK 0452098 · TMA250758 | LEVITT - SAFETY LIMITED | 6 Metal9 Electronics10 Medical+5 | Registered | 1980 |
| YORK 0438561 · TMA261561 | Tyco Fire & Security GmbH | 11 Lighting | Registered | 1981 |
| YORK 0431827 · TMA246676 | HASBRO, INC. | 28 Toys | Registered | 1980 |
| YORK 0290850 · TMA143089 · design | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 31 Fresh | Registered | 1965 |
| YORK 0246758 · TMA156987 | Tyco Fire & Security GmbH | 7 Machines11 Lighting | Registered | 1968 |
| YORK 0192187 · UCA25563 | YORK BARBELL HOLDINGS LIMITED | 16 Paper25 Clothing28 Toys | Registered | 1946 |
| YORK 0105956 · TMDA29629 | Tyco Fire & Security GmbH | 7 Machines | Registered | 1921 |
| YORK 2296688 · design | Owner not listed | 4 Oils7 Machines9 Electronics+1 | Pending | 2023 |