| Australian Inst. Marine Science | iPLEX Pipelines |
| Australian Water Quality Centre | Jeffries Garden Soils |
| Adelaide Brighton Cement | Kimberly-Clark Australia |
| Adelaide Brighton Cement | Korvest Ltd |
| AGL Power Generation | Littlehampton Brick Company |
| Air International Group | Loogana Lime |
| Air Liquide | MacMahon Contractors Pty Ltd |
| AMEC Engineering | Mideco Dust Control |
| Asphalt SA | Mitsubishi Motors Australia Ltd |
| Auspine | Mobil Adelaide Refinery |
| AW Bell | Mt Barker District Council |
| BOC Gases Australia Ltd | NAWMA |
| Boral Energy | Neutrog |
| Bradken Mineral Processing | Nonferral (SA) Pty Ltd |
| Bridgestone Australia Ltd | Normandy Mining |
| Carter Holt Harvey Wood Products | NRG Flinders |
| Castalloy Manufacturing Pty Ltd | OMG Cawse |
| Cawse Nickel Operations | Optima Energy |
| Cheetham Salt Ltd | OSMOSE |
| Cleanaway Technical Services | Pacific Marine Batteries Pty Ltd |
| Cockburn Cement | Pasminco Port Pirie Smelter |
| Codan | Petrofac Oil Refinery PNG |
| Cummins | Primary Industries & Resouces (SA) |
| Defence Department Comw. Aust. | PPK Environment & Infrastructure |
| Electricity Trust of South Aust. | Port Pirie Abottoirs |
| Electrolux | Qld. Dept. Nat. Res. |
| Email Ltd | Queen Elizabeth Hospital |
| Emoleum (Australia) Ltd | ROH Automotive |
| EPA - South Australia | Rodenburg Davey & Associates |
| Enviro-Plan Resources P.L. | Royal Adelaide Hospital - Biomedical Engineering |
| Exide Technologies | Rust PPK Pty Ltd |
| Farmers Union Foods Ltd | SA Dept Environment & Natural Resources |
| Faulding FH & Co Ltd | SA Waste Management Commission |
| Flinders Power | Schefennacker Vision Systems |
| Gecko Environmental | Seeley International Pty Ltd |
| Gemmasta Lapidary | Sinclair Knight Merz |
| Green Triangle Forest Products | SOLA Optical |
| GNB Battery Technologies | StateWest Power |
| Henderson's Automotive SA | Tonkin BC & Associates |
| Holden Ltd | Total Waste Management Pty. Ltd. |
| International Atomic Energy Agency | TransAlta Power |
| International Power (Pelican Point) | Vipac |
| ION Automotive Pty Ltd | Western Mining Corporation |
Woodbridge Henderson |
