Thien Nam Subsea Service Jsc

Corporation Service Underground Thien Nam (Thien Nam Subsea) is one company specializing in providing services in the most prestigious diving Vietnam. The company owns a team of divers are trained & highly experienced; infrastructure investment, modern diving equipment, meet international standards; managed according to the quality management system ISO 9001-2008.

The company is committed to bringing our customers with high quality services, safe and effective.


The company specializes in providing the following services:

  • Diving support services for construction and installation, repair and maintenance of rigs, mining rigs, pipelines and other underground constructions.
  • Diving service rig base survey, mining rigs, pipelines and underground constructions.
  • Nondestructive testing underwater structures; including video, photography, visual survey overall (GVI), visually detailed survey (DVI), check the metal thickness (WT), measured cathode voltage protection (CP) ...
  • Salvage ships and maritime vehicles.
  • The underwater welding work
  • Surveying the seabed topography, garbage collectors and foreign material before putting rigs, PLEM, Plet ...
    Survey ship, fouling hygiene and other water works



  • No 9, Pham Van Nghi Street, Thang Nhat Ward, Vung Tau City
  • +84 2543 513 134
  • +84 2543 513 135
  • This email address is being protected from spambots. You need JavaScript enabled to view it.


Thien Nam Subsea Services Joint Stock Company (TNS) is one of the most prestigious companies that specializes in providing diving services in Vietnam. We have many Diving supervisor, Data recorder, Diving inspector and Diver. Who was trained in prestigious vocational school as Petrovietnam Manpower Training College (PVMTC), trained and certificate... Read more