| wastec.org | Waste Equipment Technology Association (WASTEC) |
| swana.org | Solid Waste Association of North America (SWANA ) |
| nswma.org | National Solid Wastes Management Association (NSWMA) |
| nowra.org | National Onsite Wastewater Recycling Association (NOWRA) |
| compostingcouncil.org | Us Composting Council |
| hmac.org | Hazardous Materials Advisory Council |
| envasns.org | Environmental Industry Interactive (EII) |
| astswmo.org | Association of State and Territorial Solid Waste Management Officials (ASTSWMO) |
| tu-berlin.de | Argus |
| awma.org | Air & Waste Management Association (A&WMA ) |
Australia , Victoria , Melbourne