| DECISION 1876740 · TMA1048033 | BILLY GRAHAM EVANGELISTIC ASSOCIATION | 16 Paper | Registered | 2019 |
| DECISION 1453297 · TMA821872 | an individual | 28 Toys | Registered | 2012 |
| DECISION 1230654 · TMA665436 | Canada Bread Company, Limited | 30 Coffee | Registered | 2006 |
| DECISION 0467596 · TMA271460 | ROTHMANS, BENSON & HEDGES INC. | 34 Tobacco | Registered | 1982 |
| DECISION DAY 2060530 · TMA1275559 | GDC Gaming & Entertainment Ltd. | 9 Electronics28 Toys35 Advertising+1 | Registered | 2024 |
| DECISION ROOM 0878754 · TMA544391 | Devlin eBusiness Architects Inc. | 9 Electronics | Registered | 2001 |
| DECISION PLUS 0718691 · TMA419682 | Equifax Canada Co. | 9 Electronics | Registered | 1993 |
| SPLIT DECISION 2162296 · TMA1228660 | an individual | 33 Wine | Registered | 2024 |
| DECISION POINT 1501249 · TMA850167 | International Point of Care Incorporated | 5 Pharmaceuticals10 Medical | Registered | 2013 |
| DECISION GREEN 1400448 · TMA800086 | UNITED PARCEL SERVICE OF AMERICA, INC. | 35 Advertising39 Transport41 Education+1 | Registered | 2011 |
| DECISION POWER 1194288 · TMA627601 | Equifax Canada Co. | 35 Advertising36 Finance | Registered | 2004 |
| SPLIT DECISION 1174420 · TMA641085 | Sally Beauty International, Inc. (a Delaware corporation) | 3 Cosmetics | Registered | 2005 |
| DECISION MAKER 0720575 · TMA442270 | Postmedia Network Inc. | 9 Electronics | Registered | 1995 |
| DECISION-GRADE 1927885 | THEIA GROUP, INCORPORATED | 35 Advertising | Pending | 2018 |
| DECISION SPRINT 2335429 | Decision Sprint LLC | 9 Electronics35 Advertising41 Education+1 | Pending | 2024 |
| DECISION THEATER 1955169 · TMA1199457 | Arizona Board of Regents, for and on behalf of Arizona State University | 35 Advertising | Registered | 2023 |
| R3 DECISION TOOL 1585322 · TMA878766 | Bunzl IP Holdings, LLC | 35 Advertising | Registered | 2014 |
| DECISION STREAMS 1441262 · TMA767447 | Decision Streams Inc. | 35 Advertising38 Telecommunications42 Science | Registered | 2010 |
| A SOUND DECISION 1274898 · TMA689291 | Davidson Hearing Aid Centres Limited | 9 Electronics10 Medical35 Advertising+2 | Registered | 2007 |
| DECISION BUILDER 0798581 · TMA477198 | DECISION SOFTWARE INC. | 9 Electronics | Registered | 1997 |
| THE DECISION LAB 2296668 | The Decision Lab Inc. | 35 Advertising41 Education | Pending | 2023 |
| DECISION SCIENCE 2198936 · design | an individual | 35 Advertising42 Science | Pending | 2022 |
| The Decision Tree 2048294 · TMA1151732 | The Decision Tree Restaurants Ltd. | 43 Restaurants | Registered | 2022 |
| Decision Triangle 1870237 · TMA1045256 | an individual | 16 Paper | Registered | 2019 |
| DECISION TRIANGLE 1811394 · TMA1014182 · design | an individual | 16 Paper | Registered | 2019 |