| Commissions | |
| Telecommunications Regulatory Commission of Sri Lanka | www.trc.gov.lk |
| E-Commerce | |
| Sri Lanka Telecom | www.applesri.lk |
| Mobiles | |
| Hutchison Telecommunications Lanka (Private) Ltd. | www.hutch.lk |
| Premier Telecom Services (Pvt) Ltd. | www.premiermobile.biz |
| Telecom | |
| Brantel Lanka (Pvt) Ltd. | www.brantel.lk |
| Dialog GSM | www.dialoggsm.com |
| Dialog | www.dialogsl.net |
| Hutchison Telecommunications Lanka (Pvt) Ltd. | www.hutchison.lk |
| Innovative Data Solutions (Pvt) Limited | www.idsworld.com |
| Lanka Bell | www.lankabell.com |
| Microvision Satellite Systems (Pvt) Ltd. | www.microvsat.com |
| Mobitel (Pvt) Ltd. | www.mobitellanka.com |
| Sri Lanka Telecom Internet | www.regentintl.com |
| Sri Lanka Telecom | www.slt.lk |
| Suntel | www.suntel.lk |
| WorldTalk IDD | www.tctlk.com |
| Tritel Services (Pvt) Ltd. | www.tritelnet.com |
| VSNL Lanka Ltd. | www.vsnllanka.com |
| Suntel WoW | www.wow.lk |
