| T&D Corporation | 1 | 1 |
| T&D Corporation And ESPEC MIC CORP. | 1 | 4 |
| T-JOY CO.,LTD. | 1 | 1 |
| T-com | 3 | 3 |
| T-dreams | 2 | 3 |
| T-mobile | 8 | 19 |
| T-okada | 1 | 1 |
| T-swap-token Project | 1 | 3 |
| T-systems Solutions For Research Gmbh | 2 | 7 |
| T. Hauck | 1 | 10 |
| T0pp8uzz | 1 | 1 |
| T1lib | 1 | 8 |
| T1utils Project | 1 | 1 |
| TAGAWA Takao | 1 | 2 |
| TAIWAN SECOM CO., LTD. | 2 | 6 |
| TAIWAN SECOM CO., LTD., | 2 | 3 |
| TAIWAN-CA(TWCA) | 1 | 1 |
| TAPHOME | 1 | 2 |
| TC | 1 | 1 |
| TCBarrett | 1 | 1 |
| TCL | 1 | 42 |
| TCMAN | 1 | 7 |
| TEAM DERAEMONS | 1 | 1 |
| TEAM JOHNLONG SOFTWARE CO., LTD. | 1 | 2 |
| TEAMPLUS TECHNOLOGY INC. | 2 | 3 |
| TECSON | 3 | 3 |
| TEL-STER | 1 | 1 |
| TEM | 2 | 4 |
| TERUTEN Co.,Ltd | 1 | 1 |
| TG Soft | 1 | 1 |
| THM-Health | 1 | 1 |
| TIBCO | 13 | 21 |
| TIBCO Software Inc. | 120 | 440 |
| TIFF Software Distribution | 1 | 40 |
| TIS Inc. | 1 | 2 |
| TMS | 3 | 9 |
| TMS-Plugins | 3 | 6 |
| TMT | 1 | 4 |
| TOBESOFT | 6 | 11 |
| TOBESOFT.CO.LTD | 1 | 1 |
| TODO | 9 | 15 |
| TONNET | 1 | 5 |
| TOPOO Technology | 1 | 2 |
| TOTOLINK | 3 | 5 |
| TOTVS | 2 | 3 |
| TOYOTA MOTOR CORPORATION | 2 | 2 |
| TP-LINK | 20 | 30 |
| TP-Link | 16 | 42 |
| TP-Link Corporation Limited | 1 | 1 |
| TPM 2.0 Tools | 1 | 1 |
| TRENDNet | 1 | 5 |
| TRENDnet | 2 | 9 |
| TRUMPF | 2 | 2 |
| TRUMPF Werkzeugmaschinen SE + Co. KG | 6 | 6 |
| TRtek Software | 1 | 5 |
| TUBITAK | 2 | 2 |
| TYCHE | 1 | 1 |
| TYPO3 | 6 | 66 |
| TYPO3 Core | 2 | 2 |
| TYPO3GmbH | 1 | 1 |
| Tabit | 1 | 7 |
| Tableau | 4 | 13 |
| Tableausoftware | 1 | 9 |
| Tablefield Project | 1 | 2 |
| Tablepress | 1 | 1 |
| Taboola | 1 | 1 |
| Tabslab | 1 | 2 |
| Tabtale | 2 | 2 |
| Tac | 1 | 3 |
| Tachyon | 2 | 5 |
| Tacitine | 1 | 9 |
| Tacticalforcellc | 1 | 1 |
| Tad | 5 | 14 |
| Tadaa\! Project | 1 | 2 |
| Tadiran | 2 | 3 |
| Taffydb | 1 | 1 |
| Tag1consulting | 2 | 8 |
| Tag Project | 1 | 4 |
| Tagbox | 1 | 1 |
| Tagdiv | 1 | 7 |
| Taggbox | 1 | 1 |
| Tagify Project | 1 | 1 |
| Tagit | 1 | 2 |
| Taglib | 1 | 5 |
| Tagregator Project | 1 | 1 |
| Tagworx | 1 | 1 |
| Tahiticlic | 1 | 1 |
| Tahoe-LAFS | 1 | 1 |
| Taidii | 1 | 3 |
| Tailor Management System Project | 1 | 5 |
| Tailor Mangement System Project | 1 | 2 |
| Tails Project | 1 | 1 |
| Tainacan.org | 1 | 1 |
| Take2games | 1 | 1 |
| Takeaweb | 1 | 1 |
| Takebishi Corporation | 1 | 1 |
| Takempis | 1 | 1 |
| Takeshi Kanno | 1 | 1 |
| Takuya Matsuyama | 1 | 3 |
| Talariax | 1 | 1 |
