| WHILE YOU WAIT... 1500902 · TMA813490 · design | MIDWEST VETERINARY PURCHASING COOPERATIVE LTD. | 16 Paper35 Advertising42 Science | Registered | 2011 |
| WHILE ON EARTH 2375383 | While On Earth Inc. | – | Pending | 2025 |
| WORTH THE WHILE 1933753 · TMA1147356 | W.C. BRADLEY CO. | 11 Lighting | Registered | 2022 |
| WHILE YOU SLEEP 1804955 · TMA989134 | Bumble and Bumble, LLC | 3 Cosmetics | Registered | 2018 |
| NOT WHILE DRIVING 1487943 · TMA857078 | an individual | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2013 |
| THE POWER OF WHILE 1913007 · TMA1096189 | DANBY PRODUCTS LIMITED | 9 Electronics35 Advertising39 Transport | Registered | 2021 |
| WHILE I WAS YARNING 1925678 · TMA1120140 | Coats & Clark Inc. | 23 Yarns40 Treatment | Registered | 2022 |
| Writing While Black 1774660 · TMA986164 | an individual | 41 Education | Registered | 2017 |
| EARN WHILE YOU LEARN 1402276 · TMA750035 | RJF Healthcare Services Limited | 16 Paper41 Education | Registered | 2009 |
| shop while you watch 2357364 | Adinteractive Media, Inc. | 42 Science | Pending | 2024 |
| WHILE THE WATER BOILS 1777003 · TMA1054418 | Owner not shown | 43 Restaurants44 Medical | Registered | 2019 |
| THRIVING WHILE ACHING 2253727 | Global Healthy Living Foundation, Inc. | 9 Electronics41 Education | Pending | 2023 |
| PARENTING WHILE BLACK 2222333 | an individual | 41 Education | Pending | 2022 |
| THERAPY WHILE YOU SLEEP 1751180 · TMA1005110 | CORE PRODUCTS INTERNATIONAL, INC. | 20 Furniture | Registered | 2018 |
| GET PAID WHILE YOU WAIT 1461676 · TMA781363 | O'Leary Funds Management LP acting through its general partner O'Leary Funds Management Inc. | 36 Finance | Registered | 2010 |
| WELLNESS WHILE YOU SLEEP 1913972 · TMA1148467 | Fine Cotton Factory Inc. | 3 Cosmetics5 Pharmaceuticals9 Electronics+7 | Registered | 2022 |
| ALFI LIVE WHILE YOU WAIT 1995351 · design | Alfi, Inc. | 9 Electronics42 Science | Pending | 2019 |
| PROTECTION WHILE YOU PLAY 2243291 · TMA1263052 | Owner not listed | 5 Pharmaceuticals25 Clothing | Registered | 2024 |
| DENTISTRY WHILE YOU DREAM 1840171 · TMA1090671 | Dr. Dwight Eickmeier Dentistry Professional Corporation | 44 Medical | Registered | 2020 |
| LEADING WHILE REMEMBERING 0905269 · design | The Corporation of the City of Markham | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1992 |
| LEADING WHILE REMEMBERING 0904957 · design | The Corporation of the City of Markham | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1992 |
| THINGS TO DO WHILE YOU POO 2150257 | Raleigh Rail Ltd. | 16 Paper | Pending | 2021 |
| CUT TO WIDTH WHILE YOU SHOP 1323145 · TMA767884 | LF, LLC | 20 Furniture35 Advertising | Registered | 2010 |
| SELLING CARS WHILE YOU SLEEP 1771834 · TMA967935 | JFW Good Works Holdings Inc. | 9 Electronics35 Advertising | Registered | 2017 |
| COVERS YOU WHILE YOU RECOVER 0867547 · TMA554863 | THE MANUFACTURERS LIFE INSURANCE COMPANY | 36 Finance | Registered | 2001 |