| Navamindradhiraj University | |
| Naxza | Bangkok |
| Nectec | Bangkok |
| Neon Infotech SEA Co., Ltd | Bangkok |
| Net Bright Co., Ltd | Bangkok |
| Net Image Co., Ltd | Bangkok |
| Netbuild Co., Ltd | Bangkok |
| Netcity Co., Ltd | Bangkok |
| NetdesignHost | Bangkok |
| NetOne | Bangkok |
| NetPlus Software | Bangkok |
| Netregis | Bangkok |
| NETsolutions Asia | Bangkok |
| Netthailand | Bangkok |
| Netway | Bangkok |
| New System Service Co., Ltd | Bangkok |
| ng Thai Wire & Cable Public Co., Ltd | Bangkok |
| Nimble | |
| Nineweb | Bangkok |
| Nipa Technologies Co., Ltd | Bangkok |
| Nirvana Co., Ltd | Bangkok |
| Noria | Chiang Mai |
| NTK Software Co., Ltd | Bangkok |
| NTN Solution Ltd | Bangkok |
| Nysiis Solutions Co., Ltd | Bangkok |
| Office of the National Broadcasting and Telecommunications Commission | Bangkok |
| OGA International | Bangkok |
| Omise | Bangkok |
| One2Crowd Co., Ltd | Bangkok |
| OneHotel | Bangkok |
| OneHotel Co., Ltd | Bangkok |
| OnlineDevHosting.com | Bangkok |
| Open Source Education and Development Association | Bangkok |
| Open Source Technology Co., Ltd | |
| OPN Co., Ltd | Bangkok |
| Optimus (Thailand) Co., Ltd | Bangkok |
| Optimus Thailand Co., Ltd | Bangkok |
| Oracle Thailand | Bangkok |
| Outsourcify | Bangkok |
| P&T Hosting | Bangkok |
| Panyapiwat Institute of Management | |
| Paocloud Co., Ltd | Chumphon |
| Paper & Page (Thailand) Co., Ltd | |
| Pathumwan Institute of Technology | |
| Pattani Community College | |
| PattayaMedia.com | Bangkok |
| Pay Solutions Asia | Bangkok |
| Phanomwan College of Technology | |
| Phetchabun Rajabhat University | |
| Phoenix Media | Bangkok |