- ORIENTAL MACHINERIES
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Philippines
- ORIENT AUTO INTERNATIONAL
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India
- ORIGIN ELECTRIC SHOJI CO LTD
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Japan
- OPEL ROBERT HAECK BVBA
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Belgium
- OPEL ITALIA, SPA
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Italy
- OPEL INDUSTRIES
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New Zealand
- OPTIMUM INTERNATIONAL (H.K.) LIMITED
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Hongkong
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Australia
- PT.HOSAN INDONESIA
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Indonesia
- PT.TROPIKA GRAHA MOTOR
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Indonesia
- PT.INDAH JAYA
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Indonesia
- PT. PENTA JAYA
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Indonesia
- PT.PAS INTI NIAGA
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Indonesia
- PT.DAIHAN D & M INDONESIA
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Indonesia
- PT.SELAMA ROYAL
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Indonesia
- PT.ELKEN SPIRULINA PERKASA
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Indonesia
- PT.FILTERINDO CENTRACIPTA
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Indonesia
- PT WONG COCO MOTOR
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Indonesia
- PT.ELEKTRINDO PERFORMATAMA
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Indonesia