1. PT. PETROKIMIA GRESIK
  2. PT. TIMURRAYA TUNGGAL
  3. PT. INDONESIA ACID INDUSTRY
  4. PT. MAHKOTA INDONESIA
  5. PT. ASAHIMAS CHEMICAL
  6. PT. SULFINDO ADIUSAHA
  7. PT. AKTIF INDONESIA INDAH
  8. PT. LIKU TELAGA
  9. PT. DUNIA KIMIA UTAMA
  10. PT. INDOLYSAGHT
  11. PT. PETROCENTRAL
  12. PT. EMDEKI UTAMA
  13. PT. PEROKSIDA INDONESIA PRATAMA
  14. PT. AJIDHARMAMAS TRITUNGGAL SAKTI
  15. PT. PACINESIA CHEMICAL INDUSTRY
  16. PT. LAUTAN SULFAMAT LESTARI
  17. PT. DUNIA KIMIA JAYA
  18. PT. INTANCITRA LOGAMINDO
  19. PT. CITRA CAKRALOGAM
  20. PT. PERLITE INDONESIA ABADI
  21. PT. INDOXIDE
  22. PT. EVONIK INDONESIA
  23. PT. SAMATOR INTIPEROKSIDA 
  24. PT. BENTONITE ALAM INDONESIA
  25. PT. SINDOPEX PEROTAMA
  26. PT. TOMATEC INDONESIA
  27. PT. PABRIK KERTAS TJIWI KIMIA 
  28. PT. PQ SILICAS  INDONESIA
  29. PT. SCHUTZ CONTAINER SYSTEM INDONESIA
  30. PT. CAKRAWALA INDOPAC
  31. PT. PINDO DELI
  32. PT. MADU LINGGA RAHARJA
  33. PT. INDONESIA CHEMICAL ALUMINA
  34. PT. SINAR ASIA FORTUNA
  35. PT. AJIDHARMA CORPORINDO
  36. PT. TIRTA BENING MULIA
  37. PT. KARUNIA UNGGUL SEMESTA
  38. PT. DARISA INTIMITRA