| Company Name | Software Titles |
|---|---|
| It software | 1 |
| IT Focus | 1 |
| ISystems | 2 |
| ISYS Search Software Pty | 1 |
| iStumbler Release | 1 |
| IST | 1 |
| IssueTrak | 1 |
| ISS | 1 |
| ISRO | 1 |
| ISpySQL | 2 |
| iSpring Solutions | 2 |
| Isotope244 Graphics | 5 |
| Isograph | 1 |
| ISL | 2 |
| iSkysoft Studio | 1 |
| ISI RESEARCHSOFT | 3 |
| iShell Tribeworks | 2 |
| iseemedia | 2 |
| isee systems | 1 |
| Isao Maruoka | 1 |
| ISACA | 2 |
| Isabel NV-SA | 3 |
| iS3 | 2 |
| IS Decisions | 4 |
| iRove Networks | 1 |
| IronWare Technologies | 1 |
| IronPython Team | 1 |
| IronPort | 3 |
| IronLore | 2 |
| ironfede | 1 |
| IronCAD | 2 |
| Iron Speed | 3 |
| Iron Mountain | 2 |
| Irmen de Jong | 1 |
| iRiver | 1 |
| iRise | 3 |
| IRIS Software | 1 |
| IRI | 1 |
| Irfan Skiljan | 1 |
| IRESS Market Technology | 1 |
| iQuesoft-Online | 1 |
| iQUate | 1 |
| IQinVision | 2 |
| IQ Software | 1 |
| IPWorx.com | 1 |
| Ipswitch | 32 |
| IPSecuritasMenu | 1 |
| IPSecuritas | 1 |
| IPS-Sendero | 4 |
| IPS GmbH | 1 |