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  "area": {
    "prefecture": "大分県",
    "city": null
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  "page_url": "https://houjin.navi-index.com/industries/denki-gas-suido/oita/",
  "csv_url": "https://houjin.navi-index.com/industries/denki-gas-suido/oita/companies.csv",
  "data_as_of": "2026-10-02",
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    "medianEmployees": 6,
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    "oldestFounded": null,
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      "page_url": "https://houjin.navi-index.com/companies/1320001006228"
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    {
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      "display_name": "株式会社ＡＫＩＹＯＳＨＩ",
      "prefecture": "大分県",
      "city": "大分市",
      "industry_code": "F",
      "industry_label": "電気・ガス・熱供給・水道業",
      "employee_number": 20,
      "capital_stock": null,
      "founded_year": null,
      "domain": "akiyoshi-oita.co.jp",
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      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/5320001005903"
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      "prefecture": "大分県",
      "city": "中津市",
      "industry_code": "F",
      "industry_label": "電気・ガス・熱供給・水道業",
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      "capital_stock": null,
      "founded_year": null,
      "domain": "",
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      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/3320001011291"
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    {
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      "display_name": "株式会社坂之上設備",
      "prefecture": "大分県",
      "city": "大分市",
      "industry_code": "F",
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      "founded_year": null,
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      "has_site": false,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/4320001014987"
    },
    {
      "corporate_number": "7320001005026",
      "display_name": "ＥＭＡ総合エンジニアリング株式会社",
      "prefecture": "大分県",
      "city": "大分市",
      "industry_code": "F",
      "industry_label": "電気・ガス・熱供給・水道業",
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      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/7320001005026"
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  "attribution": [
    "国税庁法人番号公表サイト（国税庁）の公開データを加工して作成",
    "「Gビズインフォ」（経済産業省）を加工して作成"
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}