| Timing Tech | Tel Aviv District |
| TipRanks | Tel Aviv District |
| Titan Branding | |
| Tk Open Systems | Tel Aviv District |
| TLV Partners | Tel Aviv District |
| TLVTech | |
| TMS | |
| Tmura | Tel Aviv District |
| Tmura.org | Tel Aviv District |
| Today Ventures | Tel Aviv District |
| Todos Medical Ltd | Tel Aviv District |
| Token | Tel Aviv District |
| Tonic Security | |
| ToolPilot | |
| Top Group | |
| Top I Vision Ltd | Tel Aviv District |
| Top Interactive | Tel Aviv District |
| TopMarket | Tel Aviv District |
| Touchscreen | Tel Aviv District |
| Tourwise | Tel Aviv District |
| Tower Semiconductor | Northern District |
| TPY Capital | Tel Aviv District |
| TraceSpan Communications Ltd | Central District |
| Traffix | Tel Aviv District |
| Transfotech | Tel Aviv District |
| TransWay | Tel Aviv District |
| Tranzila | |
| Tranzila Ltd | Tel Aviv District |
| Treeverse | Tel Aviv District |
| Trendlines Group | Northern District |
| TriDiNetworks Ltd | Haifa District |
| TriEye Ltd | Tel Aviv District |
| Trigo Vision Ltd | |
| Trima Ltd | |
| TRInet | Tel Aviv District |
| Trinity Software & Beyond | Central District |
| Trio Cloud Technologies | Tel Aviv District |
| Triolla | Central District |
| Triosoft | Southern District |
| Triotech | |
| Triple C | |
| Triventures | Tel Aviv District |
| Trivium Solutions | |
| TrojanBio Ltd | |
| Trucknet Enterprise Ltd | Southern District |
| TrueNorth | Tel Aviv District |
| TrustNet | Central District |
| Tsarfin Computing | Haifa District |
| TSG IT Advanced Systems Ltd | Tel Aviv District |
| Tsofen | Northern District |