1. American Waste Management Services Inc.
2. Bechtel Corporation
3. Biffa PLC
4. Bingo Industries Limited
5. BioMedical Waste Solutions
LLC
6. BWS Incorporated
7. Casella Waste Systems Inc.
8. Chloros Environmental Ltd. by GRG Waste UK
9. Clean Harbors Inc.
10. Daniels Sharpsmart Inc.
11. Environ India
12. GFL Environmental Inc.
13. Morgan Group
14. Republic Services Inc.
15. Sims Lifecycle Services Inc.
16. SMS Envocare Ltd.