List of South Island companies
# List of South Island companies

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.

| Company | Sector | NZX |
| - | - | - |
| Alliance Group | Agriculture | - |
| Allied Press | Publishing | - |
| Apple Fields Limited | Property development | NZX: APF |
| Arthur Barnett | Retail | - |
| Aurora Energy | Electricity distribution | - |
| BLIS Technologies | Biotechnology | NZX: BLT |
| Blue Sky Meats | Agriculture | - |
| Botry-Zen | Biotechnology | NZX: BOZ |
| Britten Motorcycle Company | Manufacturing | - |
| Canterbury Building Society | Financial services | NZX: CBS |
| Canterbury Television | Media | - |
| Cavotec MSL | Other | NZX: CCC |
| Christchurch Casino | Hospitality | - |
| Citibus | Transport | - |
| Connexionz | Technology | NZX: CNX |
| Ebos Group | Technology | NZX: EBO |
| Emersons | Food and beverage | - |
| Eurekster | Video game industry | - |
| Fergburger | Food and beverage | - |
| Foodstuffs | Retail | - |
| Fulton Hogan | Construction | - |
| Glenorchy Air | Transport | - |
| Griffin's Foods | Food and beverage | - |
| H & J Smith | Retail | - |
| KMD Brands | Retail | NZX: KMD |
| Leopard Coachlines | Transport | - |
| Longacre Press | Publishing | - |
| Lyttelton Port Company | Port | NZX: LPC |
| Macpac Outdoors | Manufacturing | - |
| McCashins Brewery | Food and beverage | - |
| Monteith's | Food and beverage | - |
| Mount Cook Group | Tourism and Transport | - |
| NZ Farming Systems Uruguay | Agriculture | NZX: NZS |
| NZSKI | Tourism | - |
| New Zealand Wool Services International | Primary | NZX: WSI |
| Nelson Building Society | Banking | - |
| New Zealand Midland Railway Company | Transport | - |
| New Zealand Natural | Hospitality | - |
| NZ Windfarms | Development | NZX: NWF |
| Night 'n Day | Retail | - |
| Orion New Zealand | Electricity distribution | - |
| Pacific Edge | Biotechnology | NZX: PEB |
| Particle Systems | Manufacturing | - |
| Passenger Transport (New Zealand) | Transport | - |
| PGG Wrightson | Agriculture | NZX: PGW |
| Plus SMS | Technology | NZX: PLS |
| Postie Plus Group | Retail | NZX: PPG |
| Property Finance Group | Financial services | NZX: PFG |
| Pyne Gould Corporation | Financial services | NZX: PGC |
| Radio Otago | Media | - |
| Red Bus | Transport | - |
| Ritchies Coachlines | Transport | - |
| Ryman Healthcare | Medicine | NZX: RYM |
| Salehoo | Technology | - |
| SBS Bank | Banking | - |
| Scott Technology | Technology | NZX: SCT |
| Silver Fern Farms | Agriculture | NZX: SFF |
| SLI Systems | Technology | - |
| Smiths City Group | Retail | NZX: SCY |
| South Canterbury Finance | Financial services | - |
| South Port New Zealand | Port | NZX: SPN |
| Straylight Studios | Video game industry | - |
| The National Property Trust | Development | NZX: NAP |
| The New Zealand Wine Company | Primary | NZX: NWC |
| Two Paddocks | Hospitality | - |
| Union Shipping Group | Transport | - |
| Widespread Energy | Energy | NZX: WEN |
| Widespread Portfolios | Mining | NZX: WID |
| Westland Milk Products | Manufacturing | - |
| Wests | Manufacturing | - |
| Windflow Technology | Technology | NZX: WTL |
| Whitcoulls | Retail | - |
| Whitestone Cheese | Food and beverage | - |
| Wigram Brewing company | Food and beverage | - |
| Wynn Williams & Co | Law | - |
