Enviro-Mark®NZ - Diamond

Implementation of an internal management and audit programme to correct and drive continual improvement. [At Diamond level, a business is ready for an ISO14001 audit.]
Diamond–level certification is achieved through a third–party audit, which also includes the previous four levels (Bronze, Silver, Gold and Platinum). More information can be found on these four levels by clicking on the logos at the bottom of this screen. In summary the Diamond–level requirements include:
- Documentation control
- Internal audit programmes and procedures
- Management review of the environmental management system
- Internal auditor(s) training
| Company Name | Scope of Certification | Nature of business |
|---|---|---|
| Alliance Group | Lorneville and Makarewa Sites Southland |
Meat and Meat Product Manufacturing |
| Alliance Group – Dannevirke | Carlson Street, Dannevirke | Meat and Meat Product Manufacturing |
| Alliance Group – Mataura | McQueen Avenue Mataura |
Meat and Meat Product Manufacturing |
| Alliance Group – Nelson Site | Alliance Group Ltd Nelson | Meat and Meat Product Manufacturing |
| Alliance Group – Pukeuri | Private Bag 50051, Pukeuri Junction | Meat and Meat Product Manufacturing |
| Alliance Group – Smithfield | Bridge Road Timaru |
Meat and Meat Product Manufacturing |
| Altex Coatings Limited | 91–111 Oropi Road, Tauranga | Other Manufacturing |
| Antarctica New Zealand | Christchurch & Scott Base Operations | Professional, Scientific and Technical Services |
| BRANZ Group | 1222 Moonshine Road Judgeford Porirua |
Professional, Scientific and Technical Services |
| BSN medical Ltd and Smith & Nephew Ltd | 621 Rosebank Road Avondale Auckland |
Other Manufacturing |
| Criterion Group | Ron Driver Place Site | Furniture Manufacturing |
| Deosan Manufacturing Limited | Waharoa | Pharmaceutical, Cleaning and Other Chemical Manufacturing |
| Downer (NZ) Balclutha | Rapid No 66, Balclutha Stirling Hwy, Balclutha | Road Transport |
| Downer EDI Works – Asphalt Plant – Wellington | PO Box 13433, Wellington Asphalt Plant, Kiwi Point Ngauranga Johnsonville |
Repair and Maintenance |
| Downer EDI Works – Auckland – Asphalt Site | Great South Road Penrose Auckland |
Road Transport |
| Downer EDI Works – Multi Sites | Head Office Site Contact: 645 Great south Road, Penrose, Auckland |
Construction Services |
| Downer EDI Works Ltd – Invercargill | Liddel Street and Mersey Street |
Heavy and Civil Engineering Construction |
| Eco Maintenance | 39 Hannigan Drive Tamaki Auckland |
Building Cleaning, Pest Control and Other Support Services |
| ecostore & Eco Technical Services | 1 Scotland Street Freemans Bay Auckland Eco Technical Solutions 16 Ben Lomond Cresent Pakuranga Auckland |
Other Store-Based Retailing and Non Store Retailing |
| Fonterra Brands (NZ) Ltd – Takanini | Una Place Takanini Auckland |
Dairy Product Manufacturing |
| Fumacare Limited – Hygiene Services | Central Park Drive site, Auckland – Diamond |
Building Cleaning, Pest Control and Other Support Services |
| Fumacare Ltd Hygiene Services | Waitakere City Site | Building Cleaning, Pest Control and Other Support Services |
| Fumacare Ltd Hygiene Services | Hamilton Site | Building Cleaning, Pest Control and Other Support Services |
| Hill Laboratories Ltd | Clyde Street | Medical and Other Health Care Services |
| McKechnie Aluminium Solutions Ltd | Private Bag 2007 Paraite Road New Plymouth |
Primary Metal and Metal Product Manufacturing |
| Mighty River Power – Corporate Office | Level 14, 23–29 Albert Street Auckland 1142 |
Electricity Generation and On-selling |
| Mighty River Power – Generation | Hamilton Whakamaru Taupo Aratiatia Ohakuri Atiamuri Whakamaru Maraetai Site 1 & 2 Waipapa Arapuni Karapiro Kawerau Rotokawa Mokai Southdown Rotorua Nga Awa Purua |
Electricity Generation and On-selling |
| Mighty River Power – Mercury Energy | 602 Great South Road, Greenlane Auckland |
Electricity Transmission and Distribution |
| Mighty River Power – Metrix | 42 Olive Road Penrose Auckland |
Professional, Scientific and Technical Services |
| OfficeMax | New Zealand Operations | Other Store-Based Retailing and Non Store Retailing |
| Recreational Services | Goldfield Estate Operations, Auckland | Repair and Maintenance |
| Soar Printing | New North Road Site, Auckland | Printing |
| Stevenson Resources Ltd – Drury & Huntly Quarrys | Stevenson Resources Ltd – Drury Quarry Stevenson Resources Ltd – Huntly Quarry Stevenson Resources Transport Division Corner Fitzgerald & Quarry Road Drury |
Metal Ore and Non-Metallic Mineral Mining and Quarrying |
| Stevensons Engineering | 61 Lady Ruby Drive East Tamaki Auckland |
Machinery and Equipment Repair and Maintenance |
View other standards
To find out more about other Enviro-Mark NZ certification levels and companies that have attained each level, please click below.
![]() Working towards certification |
![]() Bronze |
![]() Silver |
![]() Gold |
![]() Platinum |





