{
  "stock_code": "1801",
  "company_name": "大成建設",
  "company_color": "#E85312",
  "industry": "construction",
  "published": "2026-04-04",
  "updated": "2026-05-18",
  "found": {
    "year": 1873,
    "location": "東京都",
    "founder": "大倉喜八郎"
  },
  "listing": {
    "listed_year": 1957,
    "delisted_year": null,
    "unlisted": false
  },
  "is_publish": true,
  "old_name": "大倉土木",
  "name_kana": "タイセイケンセツ",
  "old_name_kana": "オオクラドボク"
}