| SIK 1974902 · TMA1094272 | Bear Archery, Inc. | 28 Toys | Registered | 2021 |
| SYIKO 2131691 · TMA1193809 | an individual | 24 Textiles25 Clothing | Registered | 2023 |
| SESIA 2129402 · TMA1196858 | an individual | 18 Leather | Registered | 2023 |
| SEIKA 1936916 · TMA1120728 · design | WHEALTHFIELDS ASIA PACIFIC PTE. LTD. | 3 Cosmetics | Registered | 2022 |
| SEIKO 1565995 · TMA913170 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 9 Electronics13 Firearms28 Toys | Registered | 2015 |
| SOSIE 1478037 · TMA796950 | LES EDITIONS DU CENTRE DE PSYCHOLOGIE APPLIQUEE | 16 Paper35 Advertising44 Medical | Registered | 2011 |
| SKIKE 1352496 · TMA768018 | Four Ace Europe GmbH | 4 Oils5 Pharmaceuticals9 Electronics+9 | Registered | 2010 |
| Saiko 1091426 · TMA571078 · design | an individual | 42 Science | Registered | 2002 |
| SEIKO 0894798 · TMA524425 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 9 Electronics | Registered | 2000 |
| SEIKO 0793462 · TMA463040 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 9 Electronics | Registered | 1996 |
| SEIKO 0760163 · TMA446717 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 8 Hand14 Jewellery | Registered | 1995 |
| SEIKO 0746743 · TMA444331 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 9 Electronics | Registered | 1995 |
| SEIKI 0660121 · TMA433815 · design | MORI SEIKI CO. LTD. | 7 Machines | Registered | 1994 |
| SEIKO 0489495 · TMA309696 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 9 Electronics15 Musical | Registered | 1985 |
| SEIKO 0488342 · TMA400676 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 8 Hand9 Electronics | Registered | 1992 |
| SEIKO 0446776 · TMA248181 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 37 Construction | Registered | 1980 |
| SEIKO 0445802 · TMA247264 · design | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 9 Electronics14 Jewellery | Registered | 1980 |
| SEIKO 0434409 · TMA309578 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 16 Paper | Registered | 1985 |
| SEIKO 0361474 · TMA207901 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 9 Electronics | Registered | 1975 |
| SEIKO 0361473 · TMA207900 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 7 Machines9 Electronics | Registered | 1975 |
| SEIKI 0330885 · TMA182137 · design | MORI SEIKI CO. LTD. | 7 Machines | Registered | 1972 |
| SEIKO 0258684 · TMA122687 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 1 Chemicals4 Oils9 Electronics+1 | Registered | 1961 |
| SIIAK 2299898 | Owner not listed | 3 Cosmetics21 Housewares35 Advertising | Pending | 2023 |
| SUSIE 2274290 · design | an individual | 12 Vehicles37 Construction39 Transport+1 | Pending | 2023 |
| Shiok 2271117 | Shiok Singapore Restaurants Inc. | 30 Coffee35 Advertising43 Restaurants | Pending | 2023 |