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Hyrock is a limestone and lime production businesses based in Lithgow, New South Wales. In 2009 the company was taken over by Unimin Australia Limited.[1]


Contact details

2 Rutherford Lane,
Lithgow, NSW, 2790
Phone: (02) 6351 2281

Articles and resources


  1. "Unimin Australia Limited - acquisition of Hyrock Pty Limited, Westcal Pty Limited", Australian competition and Consumer Commission, March 2009.
  2. Ash Development Association of Australia, "Membership", Ash Development Association of Australia website, accessed June 2011.

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External resources

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