Ralmana Pty Ltd, trading as R.J. Vincent & Co (RJV), is a locally owned private company, deriving revenue from the provision of civil infrastructure, mining, marine infrastructure and earthworks services. The company employs approximately 180 people, operates in Western Australia, and is administered from its head office 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)
  • Mining Services
  • Marine Infrastructure

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