Biancamano S.P.A. (Biancamano Holding SA)
Biffa Group Limited
Casella Waste Systems Inc. Clean Harbors Inc. Cleanaway Waste Management Limited
Covanta Holding Corporation (Danielson Holding Corporation)
Denali Water Solutions LLC (Organix Recycling LLC)
Enerkem Inc. GFL Environmental Inc. Kitro SA
Lakeshore Recycling Systems LLC
Modern Waste Products Inc. o/a BINPAK
Nanhai Development Co. Ltd. Power Knot LLC
Quest Resource Management Group LLC
Recology Inc. Republic Services Inc. Rethmann Se & Co. Kg (REMONDIS SE & Co. KG)
Rubicon Technologies Inc. Rumpke Consolidated Companies Inc. SARIA SE & Co. KG (ReFood GmbH & Co. KG.)
Shenzhen Energy Group Company Limited
Smith Recycling (Milton Keynes) Limited
The Waste Company (UK) Ltd
Veolia Environnement S.A. (SUEZ S.A.)
Viridor Ltd. Waste Connections Inc. Waste Management Inc. (WM)
Winnow Solutions Ltd.