1. AECOM by Lindsay Goldberg and American Securities
2. Altogen Labs
3. Aquatech International Corp.
4. Biocompare
5. Clean Harbors Inc.
6. Deep Earth Technologies Inc.
7. Drylet Inc.
8. Envirogen Technologies Inc.
9. Esco Micro Pte. Ltd.
10. H.E.L Group
11. Lamor Corporation PLC
12. Long Chain Reclaim
13. Merck KGaA
14. Newterra Ltd.
15. NIPPON STEEL ENGINEERING CO. LTD.
16. Regenesis Corporation
17. REPROCELL Inc.
18. Sartorius AG
19. Sumas Remediation Services Inc.
20. Tetra Tech Inc.
21. VertaseFLI Limited
22. WSP Global Inc.