Oamaru & Dunedin Steam Co Ltd
Oamaru Harbour Board
Onehunga Sawmilling Co
Oparara Shipping Co Ltd
Opihi Shipping Co Ltd
Opouri Shipping Co Ltd
Opua Shipping Co Ltd
Orepuki Shipping Co Ltd
Otago Harbour Board
Otago Harbour Cruises Ltd
Otago Iron rolling Mills
Otago Steam Ship Co Ltd
Otago Towing Co Ltd
Otago Trawling & Distribution
Otea Mining Co Ltd
 

Index