Ralmana Pty Ltd, also known as R.J. Vincent & Co (RJV), is an Australian-owned private company that provides civil infrastructure, mining services and marine infrastructure and earthworks. The company employs approximately 180 staff and is headquartered in Balcatta, Western Australia.




Ralmana Pty Ltd, also known as R.J. Vincent & Co (RJV) operates as a civil engineering contractor and provides the following range of services across Western Australia:

  • Civil Infrastructure (Land Development)
  • Public Infrastructure
  • Mining Services
  • Marine Infrastructure

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