| Code Soft | Riyadh |
| COGNNA | |
| Communications and Information technology Commission | Riyadh |
| Compuh | Riyadh |
| Computer & Systems Engineering Company | Riyadh |
| ComputerHouse | Riyadh |
| Création | |
| Creative Blend | Riyadh |
| Creative Computers | Makkah |
| Creative Future for Digital Brokerage | Riyadh |
| Creative Solutions Co. Ltd | |
| Crystal Star for Information Technology | Riyadh |
| Cura.Com | Riyadh |
| CyberAgora | |
| Cyberia Saudi Arabia | Riyadh |
| Cyberstone | Riyadh |
| DAAL | Eastern Province |
| Dafater | Riyadh |
| Dar Al Uloom University | Riyadh |
| Dar Delta for Information Company | Riyadh |
| DataLexing, Inc. | Riyadh |
| DataSec | Riyadh |
| Dawiyat Integrated Telecommunications & Information Technology Company | Riyadh |
| Dawul | Riyadh |
| Detasad | Riyadh |
| Digicon | Riyadh |
| Digital Cairo Software | Riyadh |
| Digital Plan | Riyadh |
| Dimensions Of Information Ltd | Riyadh |
| Dirayaah | |
| DOO | |
| Dot Connect | Makkah |
| Dream Net Studio | Makkah |
| e-Procure | |
| e-School | Riyadh |
| EBOX Solutions | Riyadh |
| EchoServe | Makkah |
| Edesign | Makkah |
| Effat University | Makkah |
| EIZO Corporation | Riyadh |
| Ejari | |
| Electroon Technology Trading EST. | Makkah |
| emdha Trust Service Provider | Riyadh |
| Emkan | Riyadh |
| Entshar Technology | |
| Envnt | |
| Enzapps | Riyadh |
| Ertekaz Software Solutions | |
| Ether Gulf | |
| Etihad Atheeb Telecommunication Company | Riyadh |