| SURFCLEANER 0620453 · TMA430340 · design | Nippon Paint Surf Chemicals Co. Ltd. | 1 Chemicals | Registered | 1994 |
| SERVICETEAM 2089486 | Provance Technologies Inc. | 9 Electronics42 Science | Pending | 2021 |
| SURFCLEANER 2073243 | an individual | 7 Machines11 Lighting40 Treatment+1 | Pending | 2020 |
| serviCheck 1460122 · TMA813264 | 9120-6094 QUÉBEC INC. | 35 Advertising | Registered | 2011 |
| SERVICEMAX 1441044 · TMA777139 | ServiceMax, Inc. | 42 Science | Registered | 2010 |
| SERVICEMAX 1112087 · TMA583836 | ServiceMax, Inc. | 37 Construction | Registered | 2003 |
| SERVICETITAN 1978399 · TMA1271930 | ServiceTitan, Inc. | 9 Electronics35 Advertising36 Finance+5 | Registered | 2024 |
| ServiceTitan 1895012 · TMA1083670 | ServiceTitan, Inc. | 42 Science | Registered | 2020 |
| SERVCOCANADA 2273628 · design | Owner not listed | 42 Science | Pending | 2023 |
| SERVACOMMAND 1960012 | SG Holdings I LLC | 9 Electronics | Pending | 2019 |
| SERVCITE 1806689 · TMA1052395 | Schroff GmbH | 9 Electronics | Registered | 2019 |
| Service 1 1551464 · TMA845594 | 2801477 CANADA INC. | 36 Finance37 Construction42 Science | Registered | 2013 |
| SERVICE 1 1551463 · TMA837765 · design | 2801477 CANADA INC. | 36 Finance37 Construction42 Science | Registered | 2012 |
| SERVCO 1541720 · TMA863843 | Smith International, Inc. | 7 Machines37 Construction | Registered | 2013 |
| SERVCTR 1536262 · TMA830521 | SynchroSERV Inc. | 35 Advertising36 Finance | Registered | 2012 |
| SERVISTAR 1411744 · TMA762901 | Owner not shown | 36 Finance41 Education | Registered | 2010 |
| SERVAX 1027709 · TMA545015 | an individual | 7 Machines9 Electronics12 Vehicles | Registered | 2001 |
| SERVICE 0856552 · TMA495249 · design | Metro Richelieu inc. | 35 Advertising | Registered | 1998 |
| SERVICE 1 0849356 · TMA525522 · design | Premark FEG L.L.C. (a Delaware corporation) | 7 Machines9 Electronics11 Lighting+2 | Registered | 2000 |
| SERVICE 1 0849354 · TMA525586 · design | Premark FEG L.L.C. (a Delaware corporation) | 7 Machines9 Electronics11 Lighting+2 | Registered | 2000 |
| SERVICE 1 0849352 · TMA525392 · design | Premark FEG L.L.C. (a Delaware corporation) | 7 Machines9 Electronics11 Lighting+2 | Registered | 2000 |
| SERVOSTAR 0842283 · TMA527343 | Kollmorgen Corporation | 7 Machines9 Electronics | Registered | 2000 |
| SERVICE 0369929 · TMA202045 · design | ARROW TRANSPORTATION SYSTEMS INC. | 39 Transport | Registered | 1974 |
| SERVICHEM 2366981 | Owner not listed | 39 Transport | Pending | 2024 |
| SERVICE95 2204509 | SERVICE95IR LLP | 3 Cosmetics4 Oils5 Pharmaceuticals+29 | Pending | 2021 |