{
  "schema_version": "industry_list.v1",
  "canonical_write": false,
  "persisted_customer_input": false,
  "contact_fields": false,
  "industry": {
    "slug": "denki-koji",
    "label": "電気工事会社",
    "noun": "電気工事会社",
    "jsic_division": null,
    "rule": "商号に「電気工事」「電設」「電工」を含む、または大分類「D」で商号に「電気」「電業」「エレクトリック」を含む法人"
  },
  "area": {
    "prefecture": "東京都",
    "city": "港区"
  },
  "page_url": "https://houjin.navi-index.com/industries/denki-koji/tokyo/%E6%B8%AF%E5%8C%BA/",
  "csv_url": "https://houjin.navi-index.com/industries/denki-koji/tokyo/%E6%B8%AF%E5%8C%BA/companies.csv",
  "data_as_of": "2026-10-02",
  "total": 7,
  "returned": 7,
  "summary": {
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    "withEmployees": 5,
    "medianEmployees": 102,
    "withFounded": 0,
    "medianFounded": null,
    "oldestFounded": null,
    "medianCapital": 10264000000,
    "withSite": 1,
    "withRecords": 3,
    "employees100": 3
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  "companies": [
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      "display_name": "株式会社関電工",
      "prefecture": "東京都",
      "city": "港区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 8037,
      "capital_stock": 10264000000,
      "founded_year": null,
      "domain": "",
      "has_site": false,
      "has_gbiz": true,
      "has_records": true,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/9010401006818"
    },
    {
      "corporate_number": "5010401021465",
      "display_name": "西山電気株式会社",
      "prefecture": "東京都",
      "city": "港区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 194,
      "capital_stock": null,
      "founded_year": null,
      "domain": "",
      "has_site": false,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/5010401021465"
    },
    {
      "corporate_number": "3010401021756",
      "display_name": "日昭電気株式会社",
      "prefecture": "東京都",
      "city": "港区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 102,
      "capital_stock": null,
      "founded_year": null,
      "domain": "nisshoelec.co.jp",
      "has_site": true,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/3010401021756"
    },
    {
      "corporate_number": "5010401016630",
      "display_name": "大同電工株式会社",
      "prefecture": "東京都",
      "city": "港区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 19,
      "capital_stock": null,
      "founded_year": null,
      "domain": "",
      "has_site": false,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/5010401016630"
    },
    {
      "corporate_number": "4700150004610",
      "display_name": "関電工健康保険組合",
      "prefecture": "東京都",
      "city": "港区",
      "industry_code": "S",
      "industry_label": "公務（他に分類されるものを除く）",
      "employee_number": 7,
      "capital_stock": null,
      "founded_year": null,
      "domain": "",
      "has_site": false,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/4700150004610"
    },
    {
      "corporate_number": "5010405010588",
      "display_name": "一般財団法人発電設備技術検査協会",
      "prefecture": "東京都",
      "city": "港区",
      "industry_code": "",
      "industry_label": "",
      "employee_number": null,
      "capital_stock": null,
      "founded_year": null,
      "domain": "",
      "has_site": false,
      "has_gbiz": false,
      "has_records": true,
      "updated_at": "2026-08-14",
      "page_url": "https://houjin.navi-index.com/companies/5010405010588"
    },
    {
      "corporate_number": "4010401020815",
      "display_name": "東京通信電設株式会社",
      "prefecture": "東京都",
      "city": "港区",
      "industry_code": "",
      "industry_label": "",
      "employee_number": null,
      "capital_stock": null,
      "founded_year": null,
      "domain": "",
      "has_site": false,
      "has_gbiz": false,
      "has_records": true,
      "updated_at": "2026-08-14",
      "page_url": "https://houjin.navi-index.com/companies/4010401020815"
    }
  ],
  "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"
  ]
}