Neptune Marine Services Limited is a foreign-owned public company, deriving revenue from the provision of commercial diving services, subsea engineering, repair and maintenance solutions, and dry underwater welding activities. The company operates in Australia, the United Kingdom, Singapore, Indonesia, Malaysia, Bahrain, and the United States, and is administered by its head office in Welshpool, Western Australia.

Neptune Marine Services is listed on the ASX under the code NMS.

The company is a majority-owned subsidiary of MTQ Corporation Limited, a Singapore-based oil & gas equipment manufacturer.

Neptune Marine Services provides engineering and diving services, repair and maintenance solutions, and dry underwater welding activities for the oil and gas, marine and renewable energy industries. The company has operations in South East Asia, the United Kingdom, the United States, the Middle East, and Australia.

Neptune Marine Services divides its operations into the following:

  • Asset Integrity Services
  • Commercial Diving Services
  • Manufacturing, Testing and Assembly
  • NEPSYS Dry Underwater Welding
  • Survey, Geophysical & Geotechnical Services
  • Remotely Operated Vehicle (ROV) Services
  • Specialised Subsea Engineering Solutions
  • Subsea Stabilisation
  • IRATA Rope Access Training

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