{
  "module": "kr-suppliers",
  "itemId": "1058812298",
  "title": "주식회사 하이씨에스",
  "summary": "Public procurement supplier (1058812298): 3 contracts, KRW 3,905,634,500.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "1058812298",
    "corp_code": null,
    "name_en": null,
    "name_ko": "주식회사 하이씨에스",
    "established_date": "2014-12-16",
    "address": "서울특별시 마포구 독막로 295 (염리동) 삼부골든타워 823호",
    "homepage": null,
    "manufacturer_type": {
      "code": "supplier",
      "raw_ko": "공급"
    },
    "employees_reported": 7,
    "employees_note": "Self-reported employee count at Korea ON-Line E-Procurement System (KONEPS) registration; may differ from National Pension Service (L1) subscriber counts.",
    "amount_note": "The 12-month window is by original contract signing date: it covers contracts first signed in the period, and excludes amendments registered in the period to contracts signed earlier. Amounts are in KRW from Korea's Public Procurement Service (KONEPS). The 12-month total counts sole contracts in full and joint contracts by the supplier's share; joint contracts without a published share are counted but not summed. Multi-year contracts count only the current-period amount. Unit-price (framework) contracts are reported separately because their values are ceilings, not spend.",
    "procurement": {
      "period": {
        "from": "2025-11-01",
        "to": "2026-10-31",
        "basis": "original_signed_date"
      },
      "contract_count": 3,
      "joint_contract_count": 0,
      "total_amount_krw": 3905634500,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 3,
          "amount_krw": 3905634500
        },
        "services": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 3,
          "amount_total_krw": 3905634500,
          "amount_this_krw": 3905634500,
          "share_amount_krw": 3905634500
        },
        "unit_price": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        },
        "multi_year": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "B010003",
          "buyer_ko": "한국자산관리공사",
          "contract_count": 1,
          "amount_krw": 3734924500
        },
        {
          "buyer_code": "7061000",
          "buyer_ko": "서울특별시교육청 서울특별시중부교육지원청",
          "contract_count": 1,
          "amount_krw": 102548000
        },
        {
          "buyer_code": "7051000",
          "buyer_ko": "서울특별시교육청 서울특별시북부교육지원청",
          "contract_count": 1,
          "amount_krw": 68162000
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R25TA01237780",
          "title_ko": "자운초 학생식당 신설 전기공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-22",
          "changed_date": "2026-03-20",
          "amount_total_krw": 68162000,
          "amount_this_krw": 68162000,
          "amount_krw": 68162000,
          "buyer_ko": "서울특별시교육청 서울특별시북부교육지원청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01237780&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01131931",
          "title_ko": "용산중 별관동·강당·후관동 냉난방개선 전기공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-16",
          "changed_date": "2026-03-16",
          "amount_total_krw": 102548000,
          "amount_this_krw": 102548000,
          "amount_krw": 102548000,
          "buyer_ko": "서울특별시교육청 서울특별시중부교육지원청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01131931&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01151184",
          "title_ko": "나라키움 종로복합청사 개발사업 전기공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-01",
          "changed_date": "2026-10-15",
          "amount_total_krw": 3734924500,
          "amount_this_krw": 3734924500,
          "amount_krw": 3734924500,
          "buyer_ko": "한국자산관리공사",
          "method_ko": "일반경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01151184&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        }
      ],
      "amount_note": "The 12-month window is by original contract signing date: it covers contracts first signed in the period, and excludes amendments registered in the period to contracts signed earlier. Amounts are in KRW from Korea's Public Procurement Service (KONEPS). The 12-month total counts sole contracts in full and joint contracts by the supplier's share; joint contracts without a published share are counted but not summed. Multi-year contracts count only the current-period amount. Unit-price (framework) contracts are reported separately because their values are ceilings, not spend.",
      "source_url": "https://www.g2b.go.kr",
      "verified_at": "2026-11-02T04:36:11.608Z"
    },
    "source_url": "https://www.g2b.go.kr",
    "verified_at": "2026-11-02T04:36:11.608Z"
  },
  "source_url": "https://www.g2b.go.kr",
  "verified_at": "2026-11-02T04:36:11.608Z",
  "updated_at": "2026-11-02T04:36:11.608Z",
  "notice": "Data from Korea's Public Procurement Service (KONEPS contract and supplier records) via data.go.kr. Corporate suppliers only; sole proprietors are excluded. Not investment advice.",
  "amount_note": "The 12-month window is by original contract signing date: it covers contracts first signed in the period, and excludes amendments registered in the period to contracts signed earlier. Amounts are in KRW from Korea's Public Procurement Service (KONEPS). The 12-month total counts sole contracts in full and joint contracts by the supplier's share; joint contracts without a published share are counted but not summed. Multi-year contracts count only the current-period amount. Unit-price (framework) contracts are reported separately because their values are ceilings, not spend."
}