| OASIS 2111594 · TMA1161532 | Smithers-Oasis Company | 1 Chemicals17 Rubber | Registered | 2023 |
| OASIS 2093516 · TMA1218018 | Hewlett-Packard Development Company, L.P. | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2024 |
| OASIS 2058001 · TMA1170900 · design | U.S. WIRE & CABLE CORPORATION | 17 Rubber | Registered | 2023 |
| OASIS 2058000 · TMA1180039 | U.S. WIRE & CABLE CORPORATION | 17 Rubber | Registered | 2023 |
| OASIS 1922356 · TMA1144151 | Oasis Medical, Inc. | 5 Pharmaceuticals9 Electronics10 Medical+1 | Registered | 2022 |
| OASIS 1872765 · TMA1105028 | Stelpro Design Inc. | 11 Lighting | Registered | 2021 |
| OASIS 1777041 · TMA1040459 | Amazon Technologies, Inc. | 9 Electronics38 Telecommunications42 Science | Registered | 2019 |
| OASIS 1767230 · TMA970401 | GLOBAL PROTECTION CORP. | 5 Pharmaceuticals | Registered | 2017 |
| OASIS 1705300 · TMA935669 | PharmaCommunications Holdings Inc. | 9 Electronics35 Advertising | Registered | 2016 |
| OASIS 1648565 · TMA944502 | Baker Hughes Holdings LLC | 42 Science | Registered | 2016 |
| OASIS 1600926 · TMA881467 · design | THE OTTAWA CARLETON ASSOCIATION FOR PERSONS WITH DEVELOPMENTAL DISABILITIES | 35 Advertising41 Education42 Science | Registered | 2014 |
| OASIS 1583038 · TMA886487 | Rhinokore Composites Solutions LP | 6 Metal19 Building20 Furniture+2 | Registered | 2014 |
| OASIS 1571869 · TMA862198 | Waters Technologies Corporation | 9 Electronics | Registered | 2013 |
| OASIS 1526379 · TMA827724 | 2113633 Ontario Inc. | 37 Construction | Registered | 2012 |
| OASIS 1504736 · TMA863197 | DuPont Electronics, Inc. | 17 Rubber | Registered | 2013 |
| OASIS 1485360 · TMA1017714 | OASIS FASHIONS LIMITED | 18 Leather25 Clothing35 Advertising | Registered | 2019 |
| oasis 1480929 · TMA833360 | an individual | 38 Telecommunications45 Legal | Registered | 2012 |
| OASIS 1476181 · TMA817721 | INDUSTRIES LASSONDE INC. | 35 Advertising | Registered | 2012 |
| OASIS 1449389 · TMA831251 | an individual | 11 Lighting17 Rubber | Registered | 2012 |
| OASIS 1433187 · TMA767973 | Transform SR Brands LLC | 7 Machines11 Lighting | Registered | 2010 |
| Oasis 1408901 · TMA813200 | an individual | 17 Rubber23 Yarns27 Carpets | Registered | 2011 |
| OASIS 1393006 · TMA746281 | SOP Services, Inc. (a Nevada Corporation) | 28 Toys | Registered | 2009 |
| OASIS 1299845 · TMA837904 | OASIS CONSUMER HEALTHCARE LLC | 3 Cosmetics5 Pharmaceuticals10 Medical+2 | Registered | 2012 |
| OASIS 1236790 · TMA678212 | INTERNATIONAL THERMAL INVESTMENTS LTD. | 11 Lighting | Registered | 2006 |
| OASIS 1180332 · TMA660667 | INDUSTRIES LASSONDE INC. | 30 Coffee32 Beer | Registered | 2006 |
| OASIS 1121038 · TMA638503 | American Biltrite Inc. | 27 Carpets | Registered | 2005 |
| OASIS 1090677 · TMA614936 | ATRIUM MEDICAL CORPORATION, a legal entity | 10 Medical | Registered | 2004 |
| OASIS 1049913 · TMA564066 | The Canada Life Assurance Company | 36 Finance | Registered | 2002 |
| OASIS 1022746 · TMA663320 | WOLF STEEL GROUP INC. | 11 Lighting | Registered | 2006 |
| OASIS 1015934 · TMA561584 | Cook Biotech Incorporated | 5 Pharmaceuticals10 Medical | Registered | 2002 |
| OASIS 0730544 · TMA452375 · design | In-Place Machining Company LLC | 37 Construction42 Science | Registered | 1995 |
| OASIS 0716709 · TMA661223 | Technical Absorbents Limited | 1 Chemicals | Registered | 2006 |
| OASIS 0675611 · TMA800667 | ECOLAB INC. | 3 Cosmetics5 Pharmaceuticals20 Furniture+1 | Registered | 2011 |
| OASIS 0563547 · TMA363415 | INDUSTRIES LASSONDE INC. | 9 Electronics | Registered | 1989 |
| OASIS 0511133 · TMA530717 | INDUSTRIES LASSONDE INC. | 7 Machines9 Electronics32 Beer | Registered | 2000 |
| OASIS 0279889 · TMA139031 | INDUSTRIES LASSONDE INC. | 32 Beer43 Restaurants | Registered | 1965 |
| OASIS 0272118 · TMA130962 | SMITHERS-OASIS COMPANY (AN OHIO CORPORATION) | 1 Chemicals2 Paints8 Hand+4 | Registered | 1963 |
| OASIS 0197351 · UCA31352 | LVD Acquisition, LLC a Delaware limited liability company | 11 Lighting | Registered | 1947 |
| OASIS 2372913 | an individual | 9 Electronics35 Advertising36 Finance+1 | Pending | 2025 |
| OASIS 2308901 | GRTHealth Inc. | 9 Electronics10 Medical35 Advertising+1 | Pending | 2024 |
| OASIS 2292170 | PharmaCommunications Holdings Inc. | 42 Science | Pending | 2023 |
| OASIS 2260418 | Hughes Network Systems LLC | 9 Electronics | Pending | 2023 |
| OASIS 2181974 | International Aerospace Quality Group,association internationale sans but lucratif | 35 Advertising42 Science | Pending | 2022 |
| OASIS 2137371 · design | INDUSTRIES LASSONDE INC. | 30 Coffee32 Beer | Pending | 2021 |
| OASIS 2136465 | AP&G Co.Inc. | 21 Housewares | Pending | 2021 |
| OASIS 2080117 | Present Communications, Inc. | 38 Telecommunications41 Education | Pending | 2021 |
| OASIS 2038181 · design | Apollo Sign & Millwork Ltd. | 20 Furniture37 Construction40 Treatment+1 | Pending | 2020 |
| OASIS 2005601 | Oasis Medical, Inc. | 5 Pharmaceuticals | Pending | 2020 |