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Tamkar industrial group
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Falatsaz construction co.
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Oil turbo compressor (OTC)
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Technicon co.
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Far sun control co.
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Oil turbo compressor engineering co. (OTEC)
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Techno rad zarrin co.
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Farayand sazan energy co. (FSE)
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Pakyar petro gas engineer L.t.d co.
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Tehran raymand consulting engineers co.
