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| TORC Technologies | 🇺🇸 | 2011-02-21 | 2015-08-29 | 1 |
| TORGOVYY DOM TEHNOLOGIY LLC | 🇷🇺 | 2018-02-15 | 2020-12-31 | 2 |
| Torian Wireless | 🇦🇺 | 2006-12-05 | 2015-11-17 | 1 |
| Torion Plasma Corporation | 🇨🇦 | 2021-01-16 | 2021-01-16 | 1 |
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| Tornado Spectral Systems Inc. | 🇨🇦 | 2021-11-11 | 2021-11-11 | 1 |
| TORONTO MICROELECTRONICS INC. | 🇨🇦 | 2000-11-09 | 2015-11-17 | 1 |
| Torrap Design Limited | 🇦🇺 | 2016-02-05 | 2016-02-05 | 1 |
| TORRENT NETWORKING TECHNOLOGIES CORP. | 🇺🇸 | 1998-04-22 | 2015-11-17 | 1 |
| Torrey Pines Logic, Inc | 🇺🇸 | 2010-04-11 | 2015-11-17 | 1 |
| Torsa Global | 🇪🇸 | 2021-11-11 | 2021-11-11 | 1 |
| Torse | 🇨🇭 | 2011-02-21 | 2015-08-29 | 1 |
| TORUS SYSTEMS LIMITED | 🇬🇧 | 2000-11-09 | 2015-11-17 | 1 |
| TOSEI ENGINEERING CORP. | 🇯🇵 | 2017-08-14 | 2017-08-14 | 1 |
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| TOSHIBA CLIENT SOLUTIONS CO., LTD. | 🇯🇵 | 2018-09-09 | 2018-09-09 | 1 |
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| Toshiba Corporation | 🇯🇵 | 2010-01-05 | 2016-04-01 | 1 |
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| Toshiba Global Commerce Solutions | 🇺🇸 | 2013-01-09 | 2015-11-17 | 1 |
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| Total RF, LLC | 🇺🇸 | 2011-02-21 | 2015-08-29 | 1 |
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| Touchless Biometric Systems AG | 🇨🇭 | 2012-11-04 | 2015-08-29 | 1 |
| Touchnet/OneCard | 🇺🇸 | 2018-03-02 | 2018-03-02 | 1 |
| Touchstar ATC Limited | 🇬🇧 | 1998-04-22 | 2023-11-16 | 1 |
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