Covanta Holding Corporation
Waste Connections Inc
Promotora Ambiental
SAB de CV
China Everbright Environment Group Ltd
Sembcorp Industries Ltd
Daiseki Co Ltd
Takuma Co Ltd
Fujikoh Company. Ltd
Daiei Kankyo Co Ltd
Biffa Ltd
Clean Harbors Inc
Waste Management Inc.
Republic Services Inc.
Stericycle Inc.
Suez Environnement Company
Seche Environnement SA
Veolia Environnement S.A.
ALBA SE
RETHMANN SE & Co KG