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JCO (company)

JCO was a Japanese nuclear fuel cycle company established in October 1979 as a wholly owned subsidiary of Sumitomo Metal Mining Co., Ltd. as Japan Nuclear Fuel Conversion Co. . As of 2000, stock capitalization was 1 billion USD.


JCO as an acronym may stand for:

  • JCO (company), a Japanese nuclear fuel cycle company involved in the Tokaimura nuclear accident
  • Jamaican Caves Organisation
  • Jewish Combat Organization, a Jewish resistance group during World War II
  • Journal of Clinical Oncology, a leading medical journal
  • Joyce Carol Oates, American author
  • Junior commissioned officer, a group of military ranks in the armies of India and Pakistan
  • Junkers, a former German aircraft manufacturer