Penrose Water and Waste Management

Tredi   (www.tredi.co.nz)  

A provider of hazardous waste consultancy and services, including the management, recovery and transportation of hazardous waste.

Auckland Plastics and Design   (www.apd.co.nz)  

Engineering design company with expertise in the handling, storage and disposal of commercial chemicals, potable water and waste-water.

Hygrade   (www.hygrade.net.nz)  

Involved in the importation and distribution of drainage, streetware, watermain, hardware and related products.

ADS   (www.adsenv.com)  

A global water and wastewater system company, offering diagnostic services to municipal agencies and consulting engineers. Located in Auckland.

Outpost Central   (www.outpostcentral.com)  

Outpost Central is a Web based graphing and reporting solution for remote monitoring of environmental and industrial data.

Auckland Drum Company   (www.auckdrum.co.nz)  

Drum reconditioners and suppliers, based in Auckland.