{
  "schema_version": "industry_list.v1",
  "canonical_write": false,
  "persisted_customer_input": false,
  "contact_fields": false,
  "industry": {
    "slug": "kensetsu",
    "label": "建設会社",
    "noun": "建設会社",
    "jsic_division": "D",
    "rule": "大分類「D」法人"
  },
  "area": {
    "prefecture": "東京都",
    "city": "豊島区"
  },
  "page_url": "https://houjin.navi-index.com/industries/kensetsu/tokyo/%E8%B1%8A%E5%B3%B6%E5%8C%BA/",
  "csv_url": "https://houjin.navi-index.com/industries/kensetsu/tokyo/%E8%B1%8A%E5%B3%B6%E5%8C%BA/companies.csv",
  "data_as_of": "2026-10-02",
  "total": 17,
  "returned": 17,
  "summary": {
    "total": 17,
    "withEmployees": 17,
    "medianEmployees": 70,
    "withFounded": 0,
    "medianFounded": null,
    "oldestFounded": null,
    "medianCapital": 989669000,
    "withSite": 7,
    "withRecords": 2,
    "employees100": 6
  },
  "companies": [
    {
      "corporate_number": "3013301006249",
      "display_name": "西武建設株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 688,
      "capital_stock": null,
      "founded_year": null,
      "domain": "seibu-const.co.jp",
      "has_site": true,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/3013301006249"
    },
    {
      "corporate_number": "2013301006241",
      "display_name": "西武造園株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 377,
      "capital_stock": null,
      "founded_year": null,
      "domain": "seibu-la.co.jp",
      "has_site": true,
      "has_gbiz": true,
      "has_records": true,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/2013301006241"
    },
    {
      "corporate_number": "2013301011118",
      "display_name": "ボイスインターナショナル株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 192,
      "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/2013301011118"
    },
    {
      "corporate_number": "3013301000557",
      "display_name": "足立建設工業株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 166,
      "capital_stock": null,
      "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/3013301000557"
    },
    {
      "corporate_number": "3011101040583",
      "display_name": "ＥＴＳライン株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 130,
      "capital_stock": 989669000,
      "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/3011101040583"
    },
    {
      "corporate_number": "1013301021885",
      "display_name": "テクノ建設サービス株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 103,
      "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/1013301021885"
    },
    {
      "corporate_number": "9013301004057",
      "display_name": "児玉コンクリート工業株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 85,
      "capital_stock": null,
      "founded_year": null,
      "domain": "kodama-conc.jp",
      "has_site": true,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/9013301004057"
    },
    {
      "corporate_number": "1011101048232",
      "display_name": "ジオテック株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 80,
      "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/1011101048232"
    },
    {
      "corporate_number": "1013301045249",
      "display_name": "株式会社ポラーノプラザ",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 70,
      "capital_stock": null,
      "founded_year": null,
      "domain": "poranoplaza.com",
      "has_site": true,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/1013301045249"
    },
    {
      "corporate_number": "3013301012214",
      "display_name": "吉田石材工業株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 51,
      "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/3013301012214"
    },
    {
      "corporate_number": "8011601003812",
      "display_name": "株式会社第一リフォーム",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 40,
      "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/8011601003812"
    },
    {
      "corporate_number": "4013301022286",
      "display_name": "株式会社和久田",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 23,
      "capital_stock": null,
      "founded_year": null,
      "domain": "wakuda-maruden.com",
      "has_site": true,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/4013301022286"
    },
    {
      "corporate_number": "5030001050284",
      "display_name": "菊池総建株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 20,
      "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/5030001050284"
    },
    {
      "corporate_number": "9180001148374",
      "display_name": "株式会社Ｅｌｅｋｉ・Ｘ",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 10,
      "capital_stock": null,
      "founded_year": null,
      "domain": "electricalx-21.com",
      "has_site": true,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-02",
      "page_url": "https://houjin.navi-index.com/companies/9180001148374"
    },
    {
      "corporate_number": "2013301027989",
      "display_name": "株式会社イントロン",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "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/2013301027989"
    },
    {
      "corporate_number": "7013302021689",
      "display_name": "株式会社日向設計",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "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/7013302021689"
    },
    {
      "corporate_number": "4013301033572",
      "display_name": "アリザス株式会社",
      "prefecture": "東京都",
      "city": "豊島区",
      "industry_code": "D",
      "industry_label": "建設業",
      "employee_number": 5,
      "capital_stock": null,
      "founded_year": null,
      "domain": "arizasu.co.jp",
      "has_site": true,
      "has_gbiz": true,
      "has_records": false,
      "updated_at": "2026-10-01",
      "page_url": "https://houjin.navi-index.com/companies/4013301033572"
    }
  ],
  "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"
  ]
}