This is a list of major South Island, New Zealand based companies. To qualify a company must 1) have its registered office in the South Island; 2) a majority of its shareholders (51% or greater) must reside in the South Island; and 3) it must be listed on the NZX, NZAX or the Deloitte South Island Index and have an annual revenue of greater than NZ$100 million.

This list is incomplete; you can help by adding missing items. (August 2008)

• List of companies of New Zealand

• Deloitte South Island Index