| STYROVOID 1307902 · TMA688464 | AMC Foam Technologies Inc. | 17 Rubber | Registered | 2007 |
| STYROBAR 0885436 · TMA531398 | AMC Foam Technologies Inc. | 17 Rubber | Registered | 2000 |
| STYROPOR 0233144 · TMA103771 | an individual | 1 Chemicals17 Rubber19 Building+2 | Registered | 1956 |
| StoreBoard 1473102 · TMA801016 | Advantage Sales & Marketing LLC | 16 Paper | Registered | 2011 |
| STORYBOARD 1461695 · TMA778975 | Crank Software Inc. | 9 Electronics | Registered | 2010 |
| STORYBOARD 0887683 · TMA518388 | THE JOHNSON FAMILY FOUNDATION | 16 Paper | Registered | 1999 |
| STYROBLOCK 0504446 · TMA288223 | BEAVER PLASTICS LTD. | 6 Metal8 Hand9 Electronics+9 | Registered | 1984 |
| STYROFOAM 2243707 · TMA1261819 | DDP Specialty Electronic Materials US, LLC | 17 Rubber | Registered | 2024 |
| Starbird 2211879 · TMA1243026 | Habit Grill & Bar Inc. | 25 Clothing43 Restaurants | Registered | 2024 |
| STARBORN 2005243 · TMA1108287 · design | an individual | 14 Jewellery | Registered | 2021 |
| STARBOARD 1772783 · TMA996406 · design | SHENZHEN IBOARD TECHNOLOGY CO. LTD | 9 Electronics | Registered | 2018 |
| STRÖBER 1708533 · TMA987069 · design | ALEX STRÖBER GMBH | 10 Medical25 Clothing | Registered | 2017 |
| STORYBIRD 1387155 · TMA793911 | 2583697 Ontario Inc. | 9 Electronics16 Paper28 Toys+2 | Registered | 2011 |
| STARBOR 1342597 · TMA713131 | HIGH STRENGTH PLATES & PROFILES INC. | 6 Metal | Registered | 2008 |
| STARBOARD 1308910 · TMA749977 | STARFIRE SYSTEMS, INC. (a Delaware corporation) | 1 Chemicals | Registered | 2009 |
| STARBOARD 1157227 · TMA603342 | Quady South Winery, LLC | 33 Wine | Registered | 2004 |
| STARBOND 1032157 · TMA551849 | POLYAIR CANADA LIMITED | 16 Paper | Registered | 2001 |
| STYROBLOK 0476233 · TMA279689 | LAFARGE CANADA INC. | 19 Building | Registered | 1983 |
| STYROFOAM 0385719 · TMA218020 | DDP Specialty Electronic Materials US, LLC | 17 Rubber | Registered | 1976 |
| STYROFOAM 0209145 · UCA38082 | DDP Specialty Electronic Materials US, LLC | 1 Chemicals5 Pharmaceuticals6 Metal+10 | Registered | 1950 |
| STROVORI 2362767 · design | an individual | 5 Pharmaceuticals | Pending | 2024 |
| STARBORN 2337946 | ZeniMax Media Inc. | 9 Electronics16 Paper19 Building+6 | Pending | 2024 |
| STARBORN 2305496 | Starborn Industries, Inc. | 6 Metal7 Machines8 Hand+1 | Pending | 2023 |
| STARBOND 2295999 | Owner not listed | 1 Chemicals16 Paper | Pending | 2023 |
| STARBOSS 2204712 · TMA1227364 · design | Kenkoman Co. Ltd. | 32 Beer | Registered | 2024 |