1. Americas Styrenics LLC
2. BASF SE
3. Corning AG
4. Deltalab
S.L.
5. Evergreen Labwares by Protective Industries Inc.
6. Formosa Chemicals & Fibre Corporation
7. Globe Scientific Inc.
8. INEOS Styrolution Group GmbH
9. Karter Scientific Labware Manufacturing
10. LG Chem Ltd.
11. Merck KGaA
12. Stemcell Technologies Inc.
13. Thermo Fisher Scientific Inc.
14. Trinseo Plc
15. Versalis SpA