| StarTech 1683765 · TMA911449 | JET Equipment & Tools Ltd./Equipement & Outillage Jet Ltee | 9 Electronics11 Lighting22 Ropes | Registered | 2015 |
| StarTech 1664230 · TMA928536 | JET Equipment & Tools Ltd./Equipement & Outillage Jet Ltee | 17 Rubber | Registered | 2016 |
| Startec 1307814 · TMA820666 | Häfele GmbH & Co. KG | 6 Metal16 Paper19 Building+1 | Registered | 2012 |
| STARTECH 2124323 | ESTES INDUSTRIES, LLC, a legal entity | 28 Toys | Pending | 2021 |
| STARTRC 2197331 · TMA1238346 · design | Shenzhen Starfield Technology Co., Ltd. | 28 Toys | Registered | 2024 |
| STARTOUT 1937095 · TMA1159630 | StartOut | 35 Advertising41 Education42 Science | Registered | 2023 |
| STARTEX 1856793 · TMA1019291 · design | Univar Solutions Canada Ltd. | 2 Paints3 Cosmetics | Registered | 2019 |
| STARTEX 1806956 · TMA1057707 | an individual | 1 Chemicals30 Coffee31 Fresh | Registered | 2019 |
| STARTEX 1438423 · TMA768314 | Berry Global, Inc. | 16 Paper17 Rubber | Registered | 2010 |
| STARTER 1312037 · TMA747066 | Icon DE Holdings LLC | 28 Toys | Registered | 2009 |
| STARTER 1109544 · TMA632662 | Icon DE Holdings LLC | 9 Electronics16 Paper | Registered | 2005 |
| STARTEAM 1012170 · TMA659012 | BORLAND SOFTWARE CORPORATION (a Delaware corporation) | 9 Electronics | Registered | 2006 |
| STARTCO 0876266 · TMA510705 | STARTCO ENGINEERING ULC. | 9 Electronics | Registered | 1999 |
| STARTAC 0795799 · TMA501289 | Motorola Trademark Holdings, LLC | 9 Electronics | Registered | 1998 |
| STARTENA 0484499 · TMDA42203 | Cargill Limited | 31 Fresh | Registered | 1927 |
| STARTER 0476855 · TMA273689 | Icon DE Holdings LLC | 25 Clothing | Registered | 1982 |
| STARRETT 0175664 · UCA13293 | THE L.S.STARRETT COMPANY | 2 Paints4 Oils5 Pharmaceuticals+16 | Registered | 1939 |
| STARTER 2334420 | Owner not listed | 25 Clothing | Pending | 2024 |
| STARTRACK 1907448 · TMA1123587 | OldCastle Building Products Canada, Inc. | 19 Building | Registered | 2022 |
| STERITEST 1819444 · TMA1011345 · design | HANSAmed Ltd | 1 Chemicals5 Pharmaceuticals10 Medical+1 | Registered | 2018 |
| STARTWELL 1713148 · TMA946088 | STARTWELL ENERGY CO.LTD. | 1 Chemicals4 Oils7 Machines+2 | Registered | 2016 |
| StartDate 1648687 · TMA901121 | an individual | 9 Electronics | Registered | 2015 |
| STERITECH 1091680 · TMA584378 | Rentokil North America, Inc. | 37 Construction | Registered | 2003 |
| STARTRITE 1032971 · TMA553189 · design | EAST PENN MANUFACTURING CO. | 9 Electronics | Registered | 2001 |
| STERITECH 1030619 · TMA552419 | Rentokil North America, Inc. | 37 Construction41 Education42 Science+1 | Registered | 2001 |