| Dynamic IT Solutions Co., Ltd | Bangkok |
| Dzygroup | Bangkok |
| e-Commerce School | Bangkok |
| E-CQURITY (Thailand) Co., Ltd | Bangkok |
| e-Merchant | Bangkok |
| Eastern Asia University | Pathum Thani |
| Eastern University of Management and Technology | |
| EasyWebStarter | Chiang Mai |
| Ecomsiam | Bangkok |
| EditPad Lite | |
| EditPad Pro | Phuket |
| EE-Part.com | Bangkok |
| Electricity Generating Authority of Thailand | Nonthaburi |
| Electronic Industry Public Company Ltd | Bangkok |
| Electronic Transactions Development Agency | Bangkok |
| Evo Hosting | Bangkok |
| Ex-Com System Co., Ltd | Bangkok |
| Expay Group Co., Ltd | Chonburi |
| Express Software Group Co., Ltd | Bangkok |
| ExpressData | Phuket |
| Extend IT Resources Co., Ltd | Bangkok |
| EzyLinux | Bangkok |
| Fasion E-Commerce Asia Co., Ltd | Bangkok |
| Fastwork | Bangkok |
| Fatoni University | |
| FeverHosting | Bangkok |
| Firecreek Co., Ltd | Bangkok |
| Flexmedia Co., Ltd | Bangkok |
| FlingX Co., Ltd | Bangkok |
| FlowAccount Co., Ltd | |
| FMF Co., Ltd | |
| FoodStory | Bangkok |
| Freeware.in.th | Bangkok |
| Fresh Answer Co., Ltd | Bangkok |
| Frontware International Co., Ltd | Bangkok |
| Full Circle Biotechnology | Bangkok |
| Full Line Computer Co., Ltd | Bangkok |
| Fusion Advantec Co., Ltd | Nonthaburi |
| Galaxy Ventures Co., Ltd | Bangkok |
| Gecko Do It Co., Ltd | |
| GenXHost | Bangkok |
| Geo-Informatics and Space Technology Development Agency | Bangkok |
| GetAmped.in.th | Bangkok |
| Globish Academia | |
| Glypt Co., Ltd | Bangkok |
| GMWebsite | Bangkok |
| GO PR Co., Ltd | Bangkok |
| Gofive Co., Ltd | Bangkok |
| GOMEW Web Design | Bangkok |
| Gosoft (Thailand) Co., Ltd | Nonthaburi |