| 4G Mobile Ltd | Dar es Salaam |
| A&A Computers Ltd | Arusha |
| Acex Systems Ltd | Dar es Salaam |
| Africa Online Tanzania Ltd | Dar es Salaam |
| Afro Microsystems | Dar es Salaam |
| Agrovision Tanzania | Dar es Salaam |
| Agumba Computers Ltd | Dar es Salaam |
| Airtel Tanzania | Dar es Salaam |
| Arusha Node Marie Internet Society | Arusha |
| Babland.NET IT Solutions | Dar es Salaam |
| Bongo Live! | Dar es Salaam |
| Bongoza Networks, Inc. | Dar es Salaam |
| BUNI | |
| Cable Television Network (CTV) Ltd | Dar es Salaam |
| Cats Tanzania | Dar es Salaam |
| Cats-Net | Dar es Salaam |
| Computer Centre | Dar es Salaam |
| Computer Sales And Services | Dar es Salaam |
| Computer World | Dar es Salaam |
| Coseke Ltd | Dar es Salaam |
| Cybernet Ltd | Arusha |
| Dar es Salaam Institute of Technology | Dar es Salaam |
| Dflex International Ltd | Dar es Salaam |
| DigiPlus Tanzania Ltd | Dar es Salaam |
| Dostech Computers Ltd | Dar es Salaam |
| Duxte Ltd | Dar es Salaam |
| E-Biz Solutions Ltd | Dar es Salaam |
| EcoSystems East Africa Ltd | Dar es Salaam |
| Egotel | Dar es Salaam |
| Exact | Dar es Salaam |
| Extreme Web Technologies | Dar es Salaam |
| Infocom Technologies | Dar es Salaam |
| Institute for Information Technology | Dar es Salaam |
| Internet Africa Ltd | Dar es Salaam |
| Internet Solutions Tanzania | Dar es Salaam |
| IT Farm Co., Ltd | Dar es Salaam |
| KINU | Dar es Salaam |
| Kipawa Institute of Information and Communication Technology | Dar es Salaam |
| Kivuko.com | Dar es Salaam |
| Mephics (T) Ltd | Dar es Salaam |
| Mzumbe University - Faculty of Science and Technology | Morogoro |
| Off-Grid Electric | |
| Omega Web Solutions | Dar es Salaam |
| OpenNix Technologies | Dar es Salaam |
| pHxclusiv.net | Dar es Salaam |
| Powercomputers Telecommunication Ltd | Dar es Salaam |
| QuickBooks Tanzania | Arusha |
| Sahara Sparks | |
| SiM (T) Ltd | Dar es Salaam |
| SimbaNET | Dar es Salaam |