| FRS Information Technology (Pvt) Ltd | Western Province |
| Genesiis Software (Pvt) Ltd | Western Province |
| Genius Associates (Pvt) Ltd | Western Province |
| Gig Interactive | Western Province |
| Global Conventions Pvt Ltd | Western Province |
| Glonet Solutions Sri Lanka | Western Province |
| GUI Solutions Lanka (Pvt) Ltd | |
| Hatch | Western Province |
| HDFC Bank | Western Province |
| Health Informatics Society of Sri Lanka | Western Province |
| Hit Media | Western Province |
| HNB Private Bank plc | |
| Horizon Campus | |
| hSenid Mobile Solutions | Western Province |
| hSenid Software International (Pvt) Ltd | Western Province |
| hSenidBiz.com | |
| Hutch | Western Province |
| IDawn Technologies | Western Province |
| IDM | Western Province |
| IDM Nations Campus | |
| IESL College of Engineering | |
| Inexis Consulting | Western Province |
| Infini Solutions | North Central Province |
| Infomate | |
| Informatics Ltd | Western Province |
| Information and Communication Technology Agency | Western Province |
| InTalent Pvt Ltd | |
| International Institute of Health Sciences | |
| Intervest Software Technologies Pvt Ltd | |
| iOM Lanka (Pvt) Ltd | Western Province |
| Itechro (Pvt) Ltd | Western Province |
| Jobspola.lk | Western Province |
| John Keells Holdings plc | Western Province |
| John Keells IT | |
| John Keells Office Automation (Pvt) Ltd | Western Province |
| Kingslake Engineering Systems (Pvt) Ltd | Western Province |
| Koi Media Ltd | Western Province |
| LankaCom | Western Province |
| LankaHost | Western Province |
| LankanHost | Western Province |
| LeafyCode | Western Province |
| LK Domain Registry | Western Province |
| Mahendra Gunaratne, Virus Inc. | Western Province |
| MAS Holdings | |
| Memory Technologies (Pvt) Ltd | Western Province |
| Merchant Bank of Sri Lanka & Finance plc | Western Province |
| Metatechno Lanka (Pvt) Ltd | |
| Metropolitan Office (Pvt) Ltd | Western Province |
| Micro Research Group (Pvt) Ltd | |
| Microimage | Western Province |