{
  "module": "kr-suppliers",
  "itemId": "1198133726",
  "title": "Korea Electric Research Engineering Construction Co.,Ltd ((주)한국이알이시)",
  "summary": "Public procurement supplier (1198133726): 9 contracts, KRW 2,883,798,200.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "1198133726",
    "corp_code": null,
    "name_en": "Korea Electric Research Engineering Construction Co.,Ltd",
    "name_ko": "(주)한국이알이시",
    "established_date": "1999-11-26",
    "address": "세종특별자치시  한누리대로 193, 제1동 403호(나성동, 참미르빌딩)",
    "homepage": "http://www.kerec.co.kr/",
    "manufacturer_type": {
      "code": "manufacturer",
      "raw_ko": "제조"
    },
    "employees_reported": 73,
    "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": 9,
      "joint_contract_count": 5,
      "total_amount_krw": 2883798200,
      "by_category": {
        "goods": {
          "contract_count": 3,
          "amount_krw": 2796859200
        },
        "construction": {
          "contract_count": 1,
          "amount_krw": 86939000
        },
        "services": {
          "contract_count": 5,
          "amount_krw": 0
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 5,
          "amount_total_krw": 6301739000,
          "amount_this_krw": 9098598200,
          "share_amount_krw": 2883798200
        },
        "unit_price": {
          "contract_count": 1,
          "amount_total_krw": 6007647000,
          "amount_this_krw": 6007647000,
          "share_amount_krw": 0
        },
        "multi_year": {
          "contract_count": 3,
          "amount_total_krw": 13602774000,
          "amount_this_krw": 1995401000,
          "share_amount_krw": 0
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "B553766",
          "buyer_ko": "서울교통공사",
          "contract_count": 4,
          "amount_krw": 2796859200
        },
        {
          "buyer_code": "9300341",
          "buyer_ko": "세종특별자치시교육청 세종특별자치시교육청학교지원본부",
          "contract_count": 1,
          "amount_krw": 86939000
        },
        {
          "buyer_code": "6112262",
          "buyer_ko": "서울특별시 도시기반시설본부",
          "contract_count": 2,
          "amount_krw": 0
        },
        {
          "buyer_code": "ZY00267",
          "buyer_ko": "경기도청 북부청사",
          "contract_count": 1,
          "amount_krw": 0
        },
        {
          "buyer_code": "6110000",
          "buyer_ko": "서울특별시",
          "contract_count": 1,
          "amount_krw": 0
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02018531",
          "title_ko": "두루유  외 8교 조리실 자동소화장치 설치 소방공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-07-01",
          "changed_date": "2026-09-09",
          "amount_total_krw": 86939000,
          "amount_this_krw": 86939000,
          "amount_krw": 86939000,
          "buyer_ko": "세종특별자치시교육청 세종특별자치시교육청학교지원본부",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02018531&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01998835",
          "title_ko": "2026년 터널 환기설비 인버터 신설 및 동력제어반 제작구매 설치",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-06-25",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 944334830,
          "amount_krw": 944334830,
          "buyer_ko": "서울교통공사",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01998835&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01673456",
          "title_ko": "고양은평선 광역철도 건설사업 전기분야 기본 및 실시설계용역",
          "category": "services",
          "contract_type": "unit_price",
          "signed_date": "2026-03-26",
          "changed_date": null,
          "amount_total_krw": 6007647000,
          "amount_this_krw": 6007647000,
          "amount_krw": 6007647000,
          "buyer_ko": "경기도청 북부청사",
          "method_ko": "지명경쟁",
          "role": "주계약업체",
          "joint": true,
          "share_pct": null,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01673456&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01552920",
          "title_ko": "교대(3)역 등 2개 전기실 고압배전반 등 3종 제작구매 설치",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-03-04",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 1610561000,
          "amount_krw": 1610561000,
          "buyer_ko": "서울교통공사",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01552920&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01554072",
          "title_ko": "진접선(4호선연장) 차량기지 1공구(인입선) 건설공사 감독권한대행등 건설사업관리용역(8차)",
          "category": "services",
          "contract_type": "multi_year",
          "signed_date": "2026-02-27",
          "changed_date": "2026-07-21",
          "amount_total_krw": 6006757000,
          "amount_this_krw": 316057000,
          "amount_krw": 316057000,
          "buyer_ko": "서울특별시 도시기반시설본부",
          "method_ko": "일반경쟁",
          "role": "도급업체",
          "joint": true,
          "share_pct": null,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01554072&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01245981",
          "title_ko": "면목선 도시철도 기본계획 수립 용역(장기,3차)",
          "category": "services",
          "contract_type": "multi_year",
          "signed_date": "2026-01-01",
          "changed_date": "2026-04-14",
          "amount_total_krw": 1700944000,
          "amount_this_krw": 650944000,
          "amount_krw": 650944000,
          "buyer_ko": "서울특별시",
          "method_ko": "일반경쟁",
          "role": "도급업체",
          "joint": true,
          "share_pct": null,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01245981&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01255854",
          "title_ko": "서울도시철도 9호선4단계연장사업 1공구건설공사 감독권한대행 등 건설사업관리용역(5차)",
          "category": "services",
          "contract_type": "multi_year",
          "signed_date": "2025-12-29",
          "changed_date": "2026-03-17",
          "amount_total_krw": 5895073000,
          "amount_this_krw": 1028400000,
          "amount_krw": 1028400000,
          "buyer_ko": "서울특별시 도시기반시설본부",
          "method_ko": "일반경쟁",
          "role": "도급업체",
          "joint": true,
          "share_pct": null,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01255854&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01256785",
          "title_ko": "지하철 2호선 충정로역 본선환기 동력제어반 제작구매 설치",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-23",
          "changed_date": "2026-06-15",
          "amount_total_krw": 0,
          "amount_this_krw": 241963370,
          "amount_krw": 241963370,
          "buyer_ko": "서울교통공사",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01256785&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01161150",
          "title_ko": "서울 지하철 스마트관제 시스템분야 제작구매설치 통합 책임 감리 용역",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-09",
          "changed_date": null,
          "amount_total_krw": 6214800000,
          "amount_this_krw": 6214800000,
          "amount_krw": 6214800000,
          "buyer_ko": "서울교통공사",
          "method_ko": "일반경쟁",
          "role": "도급업체",
          "joint": true,
          "share_pct": null,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01161150&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&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."
}