| Company Name | Software Titles |
|---|---|
| Etron Technology | 1 |
| ETI | 3 |
| EthoTech | 1 |
| Ethereal, Inc. | 1 |
| ethereal | 1 |
| EtherDetect | 1 |
| Ethalone Solutions | 1 |
| Ethalone | 2 |
| Eterlogic.com | 1 |
| ETCS | 1 |
| ETCAI Products | 3 |
| ET SpatialTechniques | 3 |
| ESXGuide | 1 |
| ESTSoft | 6 |
| Estima | 1 |
| Estesoft TM | 1 |
| Esterel Technologies | 4 |
| Estech Systems | 1 |
| ESTEAM | 1 |
| Essex Redevelopment Group | 1 |
| Essential Software | 1 |
| Esselte Ltd | 1 |
| Esselte Letraset Limited | 1 |
| ESS | 1 |
| ESRI Professional Services | 1 |
| ESRI | 28 |
| ESPN Internet Ventures | 1 |
| ESPN | 1 |
| ESP | 3 |
| eSoftware | 1 |
| eSoftTools | 1 |
| esobi | 1 |
| ESO-ESA-NASA | 1 |
| eSnips | 1 |
| ESN Social Software AB | 1 |
| ESN AB | 1 |
| ESKER S.A. | 1 |
| Esker | 6 |
| eSignal | 1 |
| ESI | 2 |
| Eshop Enterprises | 1 |
| ESHA Research | 2 |
| ESET, spol. s r.o. | 1 |
| ESET, spol s r.o. | 5 |
| Eset | 2 |
| ESCV2 | 1 |
| ESCV | 2 |
| Escort | 2 |
| Eschalon Development | 1 |
| Escape Technology | 1 |