1. Advance Disposal Company Inc.
2. Cielo Waste Solutions Corp.
3. Clean Harbors Inc.
4. Cleanaway Waste Management Limited
5. Covanta Holding Corporation
6. Eco Wise Waste Management Pvt. Ltd.
7. Panda Recycling B.V.
8. Progressive Waste Solution Ltd.
9. Remondis SE & Co. Kg
10. Rotobale Compaction Solutions Inc
11. Stericycle Inc.
12. Suez Group
13. URM Environmental Services Pty Ltd.
14. Veolia Environnement S.A.
15. Waste Management Inc.