| World University of Bangladesh | Dhaka |
| WPCommerz | |
| WPDeveloper.com | Dhaka |
| XACTiDEA | Dhaka |
| Xbit Technologies Ltd | Dhaka |
| Xceed Bangladesh Ltd | Chittagong |
| XeonBD | Dhaka |
| Xgenious | |
| Xpeed Hosting | Dhaka |
| XpeedLab | Dhaka |
| XpertLab BD Ltd | Dhaka |
| XpertSolvers | |
| Xplantr | |
| YoTech | Dhaka |
| YouthFireIT | Dhaka |
| Z.H. Skider University of Science and Technology | |
| ZAAG Systems Ltd | |
| Zahurul | Dhaka |
| Zaman IT | Dhaka |
| ZANALA Bangladesh Ltd | |
| Zaynax Ltd | |
| Zaz Technology | |
| Zed and Zed IT Services Ltd | Dhaka |
| ZeenathTech | |
| Zellyo DIgital Solutions | |
| Zeropoint Computing | Rajshahi |
| zHost Bangladesh | Dhaka |
| ZNRF University of Management Sciences | |
| Zoom IT | |