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Chabahar NIOPDC
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Yasouj NIOPDC
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Iranian oil pipeline and telecommunication co.
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Shahrekord NIOPDC
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Gorgan NIOPDC
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National iranian oil engineering & construction co.
-
Birjand NIOPDC
-
Gllan NIOPDC
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National iranian oil products distribution co.
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Bojnourd NIOPDC
