Fixed telephone service operators
- Vietnam Posts and Telecommunications Corporation (VNPT) - EVN Telecom - Viettel Corporation - Saigon Posts and Telecommunications Service Corporation (SPT) - Hanoi Telecom Company (Hanoi Telecom)
- Vietnam Posts and Telecommunications Corporation (VNPT)
- EVN Telecom
- Viettel Corporation
- Saigon Posts and Telecommunications Service Corporation (SPT)
- Hanoi Telecom Company (Hanoi Telecom)
International Telecommunications service operators
- Vietnam Posts and Telecommunications Corporation (VNPT) - EVN Telecom - Viettel Corporation
Long distant and International telephone service based on IP protocol operators
- Vietnam Posts and Telecommunications Corporation (VNPT) - EVN Telecom - Viettel Corporation - Saigon Posts and Telecommunications Service Corporation (SPT) - Hanoi Telecom Company (Hanoi Telecom) - Vietnam Maritime Communications and Electronics Company (VISHIPEL)Mobile communications service operators
- Vietnam Maritime Communications and Electronics Company (VISHIPEL)Mobile communications service operators
- Vietnam Posts and Telecommunications Corporation (VNPT) - Viettel Corporation - Saigon Posts and Telecommunications Service Corporation (SPT) - Hanoi Telecom Company (Hanoi Telecom) - EVN Telecom -Gtel Internet Access Services Providers
- Vietnam Posts and Telecommunications Corporation (VNPT) -The Corporation for Financing and Promoting Technology (FPT) - Viettel Corporation - Saigon Posts and Telecommunications Service Corporation (SPT) - Hanoi Telecom Company (Hanoi Telecom) - Internet Service Stock Company (OIC) - TIE Trade Import Export Company (TIENET) - Netnam Company (NETNAM) - EVN Telecom Internet Exchange Providers
-The Corporation for Financing and Promoting Technology (FPT)
- Internet Service Stock Company (OIC)
- TIE Trade Import Export Company (TIENET)
- Netnam Company (NETNAM)
Internet Exchange Providers
- Vietnam Posts and Telecommunications Corporation (VNPT) - The Corporation for Financing and Promoting Technology (FPT) - Viettel Corporation - Saigon Posts and Telecommunications Service Corporation (SPT) - EVN Telecom
- The Corporation for Financing and Promoting Technology (FPT)
Online Services Providers
- Vietnam Posts and Telecommunications Corporation (VNPT) - The Corporation for Financing and Promoting Technology (FPT) - Viettel Corporation - Saigon Posts and Telecommunications Service Corporation (SPT) - Internet Service Stock Company (OIC) - TIE Trade Import Export Company (TIENET) - EVN Telecom - Netnam Company (NETNAM) - Data Link - Chau Phong Informatics Telecommunication Joint Stock Company - QTnet - Thuan Thao Company - Incom Net