KOCH REFINING INTERNATIONAL PTE LTD
LINKERS (FAR EAST) PTE LTD
LINKO TRADING CO
MAHA CHEMICALS (ASIA) PTE LTD
MERCURY CHEMICALS PTE LTD
MITSUBISHI CHEMICAL ASIA PACIFIC PTE LTD
MITSUBISHI GAS CHEMICAL SINGAPORE PTE LTD
MITSUI CHEMICALS ASIA PACIFIC LTD
NG CHEE LEE PTE LTD
OHME SCIENTIFIC PTE LTD