- Total Air Care Limited
 - Water Systems Treatment Specialists Ltd.
- Commercial, industrial, rural and domestic water and effluent treatment specialists for the Australasian market.
- Air Quality
- BEP Marine
- Manufacturing a variety of gas detection products for recreational land vehicles and boats.
- Environmental Engineering
- Flo-Dry Engineering
- Designs, manufactures, and installs industrial by-product processing systems such as protein and by-product recovery, rendering systems, and waste water treatment.
- Software
- Seveno
- Provides advanced software to the natural resources hardware industry.
- Waste Management > Recycling
- Refill Inc
- Mount Eden - Offers recycling, refilling, and new compatible inkjet cartridges.
- TRC Toner Recycling Center
- Albany - Supplier and buyer of empty printer cartridges for remanufacturing.
- Water Supply and Treatment
- Jonkers Filtration Systems
- Specialises in the design, manufacturing, and installation of filtration systems for water treatment, filtration process fluids, and wastewater treatment.
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