| Bar-Ilan University - Department of Computer Science | Tel Aviv District |
| Bar-Ilan University - Department of Mathematics | Tel Aviv District |
| Bar-Ilan University - Mina and Everard Goodman Faculty of Life Sciences | |
| Bar-Net Software Ltd | Tel Aviv District |
| BATM | Central District |
| BBT.live | Tel Aviv District |
| Beach Bum Ltd | Central District |
| Beam Semiconductor | Central District |
| Beame.io | Tel Aviv District |
| Beamr Imaging Ltd | Tel Aviv District |
| BeamUP | Tel Aviv District |
| Beau - Israel's PC Doctor | Tel Aviv District |
| BeeEye | Haifa District |
| Beeper Group | Tel Aviv District |
| Beewizer | |
| Beit Hashitta Software | Tel Aviv District |
| Ben Lasry Web Designer | |
| Ben-Gurion University of Negev - Department of Computer Science | Southern District |
| Ben-Gurion University of Negev - Software Engineering Program | Southern District |
| Ben-Gurion University of the Negev | |
| Ben-Gurion University of the Negev - Bioinformatics Core Facility | Southern District |
| Ben-Gurion University of the Negev - Department of Computer Science | Southern District |
| Ben-Gurion University of the Negev - Department of Electrical and Computer Engineering | Southern District |
| Ben-Gurion University of the Negev - Department of Mathematics | Southern District |
| Ben-Gurion University of the Negev - Software and Information Systems Engineering | Southern District |
| BENDIT Technologies | Central District |
| Benson Oak Ventures | Tel Aviv District |
| Berale of Teldan Group | Tel Aviv District |
| BES Electronic Systems Ltd | Tel Aviv District |
| BES Electronic Systems Ltd | Central District |
| Betaland Software Engineering Ltd | Jerusalem District |
| Betalin | |
| Betanet Ltd | Tel Aviv District |
| Beyeonics Vision Ltd | Haifa District |
| Beyond Designs | Jerusalem District |
| Bezeq | Tel Aviv District |
| Bezeq International Ltd | Tel Aviv District |
| BigID | Tel Aviv District |
| BigMedia | Tel Aviv District |
| Binah.ai | Tel Aviv District |
| Binternet | Tel Aviv District |
| Bio-Chem Ltd | |
| BioCatch | Tel Aviv District |
| BioGenCell Ltd | Central District |
| BioGiv Excubator | Jerusalem District |
| Biohouse | Jerusalem District |
| Biokine Therapeutics | Central District |
| BioLight Life Sciences Ltd | Tel Aviv District |
| BioLineRx Ltd | Central District |
| Biolojic Design Ltd | Central District |