1. Agilis Technologies
2. Air Quality Engineering Inc.
3. Amacs Corporation
4. Begg Cousland Envirotec Limited
5. Benvitec
6. CECO Environmental Corp.
7. DuPont de Nemours Inc.
8. Finepac Structures Pvt. Ltd.
9. Hilliard Corporation
10. KCH Services Inc. by ECS Environmental Solutions
11. Kimre Inc.
12. Koch-Glitsch LP
13. Munters Group AB
14. Okutani Ltd.
15. REA Plastik Tech GmbH
16. Sulzer Ltd.