• Hawaiian Rock Products
  • NIPPO Corporation
  • Black Construction Corporation
  • Leo Palace Resort Guam
  • Onward Golf Resort
  • Guam International Country Club
  • Starts Guam Golf Resort
  • Country Club of the Pacific
  • Windward Hills Country Club
  • Laolao Bay Golf Resort
  • Kingfisher Golf Links
  • Mariana Country Club
  • Coral Ocean Point Resort
  • Rota Resort
HSJ CO., LTD. has supplied material to many company in Guam. These clients incude:
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