- Official name: THE NATIONAL OIL SERVICES COMPANY OF VIETNAM (OSC Vietnam).
- Under the administration of: Ministry of Culture, Sports and Tourism.
- Member of: PATA, VCCI.
- Establishment date: June 23rd, 1977
- Head office: 02 Le Loi, Vung Tau City, Viet Nam
- General Director: Mr. PHAM TUAN

Main functions:

* Tourist services:
- Inbound & Outbound tour operation
- Hotel & Restaurant services: 2-4 star hotel & restaurant chain in Vungtau.
- MICE.
* Oil & gas services:
- Providing catering service to oil rigs
- Providing technical tools and equipments to oil companies.
* Rental of offices, buildings and transportation
* Construction and properties development.
* Goods import and export.
* Labor export.
* Sport and entertainment services.

branches: