| Hamakor | Tel Aviv District |
| Hanibaal | Tel Aviv District |
| Har Hotzvim Industrial Park | Jerusalem District |
| Harel | Tel Aviv District |
| Hasoub | |
| Healium Medical | Northern District |
| Hebrew University of Jerusalem | Jerusalem District |
| Hebrew University of Jerusalem - Alexander Silberman Institute of Life Science | |
| Hebrew University of Jerusalem - Authority for Computation, Communication and Information | Jerusalem District |
| Hebrew University of Jerusalem - Bioinformatics Unit of the I-CORE | |
| Hebrew University of Jerusalem - Einstein Institute of Mathematics | Jerusalem District |
| Hebrew University of Jerusalem - Grass Center for Bioengineering | |
| Hebrew University of Jerusalem - Institute of Applied Physics | |
| Hebrew University of Jerusalem - Israel Institute for Advanced Studies | |
| Hebrew University of Jerusalem - Israel Institute for Advanced Studies - Computer Science | Jerusalem District |
| Hebrew University of Jerusalem - Quantum Information Science Center | Jerusalem District |
| Hebrew University of Jerusalem - Rachel and Selim Benin School of Computer Science and Engineering | Jerusalem District |
| Hedgetech | Tel Aviv District |
| Heifetz Technologies | Jerusalem District |
| Helicon Technologies | Tel Aviv District |
| Helios Project Ltd | |
| HeraMed | Central District |
| Herbamed Ltd | |
| Hermon Laboratories Ltd | |
| Herzliya Accelerator Center | Tel Aviv District |
| Hetz Ventures | Tel Aviv District |
| Hexa | |
| Hexoo | Central District |
| Hi-Tech Mechanics Ltd | |
| Hibernating Rhinos | Haifa District |
| hiCenter | Haifa District |
| High Sec Labs Ltd | Northern District |
| Highnet Systems | Tel Aviv District |
| Hilan | Tel Aviv District |
| Hire Hub | |
| HiSky Ltd | |
| Hola | Central District |
| Holon Institute of Technology | Tel Aviv District |
| Hospitech Respiration | |
| Host4Site | Tel Aviv District |
| HostCenter.co.il | Tel Aviv District |
| Hostereo | |
| HosTests.com | Tel Aviv District |
| HostGuru.Net | Tel Aviv District |
| Hosting.co.il | Central District |
| Hosts.co.il | Tel Aviv District |
| HOT Mobile | Tel Aviv District |
| Howazit | Tel Aviv District |
| HP Isarel | Haifa District |
| HQserv | |