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THAI SUMMIT AUTOPARTS INDUSTRY CO., LTD.
THAI SUMMIT EASTERN SEABOARD AUTOPARTS INDUSTRY CO., LTD.
SMRC AUTOMOTIVE SMART INTERIOR TECH (THAILAND) LTD.
SUMMIT AUTO SEATS INDUSTRY CO., LTD.
PT. INDONESIA THAI SUMMIT PLASTECH
PT. KASAI TECK SEE INDONESIA
東陽実業(股)有限公司
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長沙広汽東陽汽車零部件有限公司
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MANLY PLASTICS, INC.
SMRC AUTOMOTIVES TECHNOLOGY PHIL INC.
TECK SEE PLASTIC BANGI SDN. BHD.
DRAGON FRONTIER SDN. BHD.
AZMAN HAMZAH PLASTIK SDN. BHD.
RAYA PLASTIK INDUSTRY SDN. BHD.
EP POLYMERS (M) SDN. BHD.
HICOM-TECK SEE MANUFACTURING MALAYSIA SDN. BHD.
SANKO NEDERLAND B.V.
PEGUFORM GMBH
MAGNA INTERNATIONAL INC.