1. 3M Company
2. American Sealants Inc.
3. Arkema S.A.
4. DL Chemicals
5. Forgeway Limited
6. H.B. Fuller Company
7. Henkel AG & Co. KGaA
8. Hermann Otto GmbH
9. Mapei S.p.A.
10. Merz Benteli Ag
11. NOVA Chemicals Corporate
12. Sika AG
13. Soudal Group
14. Tremco Illbruck GmbH & Co. KG
15. Wacker Chemie AG
16. WEICON GmbH & Co. KG