{
  "module": "kr-suppliers",
  "itemId": "6578701320",
  "title": "ESI Co., Ltd. (주식회사 이에스아이)",
  "summary": "Public procurement supplier (6578701320): 7 contracts, KRW 2,775,520,410.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "6578701320",
    "corp_code": null,
    "name_en": "ESI Co., Ltd.",
    "name_ko": "주식회사 이에스아이",
    "established_date": "2019-01-01",
    "address": "경기도 군포시 공단로140번길 52, 308호(당정동, 에이스 하이테크시티군포)",
    "homepage": "https://esi@uesis.com/",
    "manufacturer_type": {
      "code": "manufacturer",
      "raw_ko": "제조"
    },
    "employees_reported": 15,
    "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": 7,
      "joint_contract_count": 0,
      "total_amount_krw": 2775520410,
      "by_category": {
        "goods": {
          "contract_count": 7,
          "amount_krw": 2775520410
        },
        "construction": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "services": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 6,
          "amount_total_krw": 0,
          "amount_this_krw": 2775520410,
          "share_amount_krw": 2775520410
        },
        "unit_price": {
          "contract_count": 1,
          "amount_total_krw": 0,
          "amount_this_krw": 1445400000,
          "share_amount_krw": 1445400000
        },
        "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": "B550373",
          "buyer_ko": "한국지역난방공사",
          "contract_count": 2,
          "amount_krw": 1313042460
        },
        {
          "buyer_code": "1730000",
          "buyer_ko": "새만금개발청",
          "contract_count": 1,
          "amount_krw": 806560760
        },
        {
          "buyer_code": "1021100",
          "buyer_ko": "대통령경호처",
          "contract_count": 1,
          "amount_krw": 373786000
        },
        {
          "buyer_code": "Z013121",
          "buyer_ko": "코레일테크주식회사",
          "contract_count": 1,
          "amount_krw": 271193190
        },
        {
          "buyer_code": "6130674",
          "buyer_ko": "전남광주통합특별시 도시철도건설본부",
          "contract_count": 1,
          "amount_krw": 10938000
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA01949897",
          "title_ko": "김해전기사업소 옥외 고압배전반 구매",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-06-11",
          "changed_date": "2026-07-20",
          "amount_total_krw": 0,
          "amount_this_krw": 271193190,
          "amount_krw": 271193190,
          "buyer_ko": "코레일테크주식회사",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01949897&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01845467",
          "title_ko": "광주도시철도 2호선 차량기지 MOF 교체 설치",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-05-12",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 10938000,
          "amount_krw": 10938000,
          "buyer_ko": "전남광주통합특별시 도시철도건설본부",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01845467&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01823548",
          "title_ko": "영등포 2정수장 송수펌프동 전력설비 교체 고압배전반 제작설치",
          "category": "goods",
          "contract_type": "unit_price",
          "signed_date": "2026-05-07",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 1445400000,
          "amount_krw": 1445400000,
          "buyer_ko": "서울특별시 서울아리수본부",
          "method_ko": "지명경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01823548&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01750173",
          "title_ko": "경호안전교육원 3단계사업 전기공사 관급자재 구입(수배전반)",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-04-16",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 373786000,
          "amount_krw": 373786000,
          "buyer_ko": "대통령경호처",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01750173&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01660008",
          "title_ko": "용인지사 용인열원 특고압배전반 구매설치",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-03-25",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 766000000,
          "amount_krw": 766000000,
          "buyer_ko": "한국지역난방공사",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01660008&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01329087",
          "title_ko": "데이터센터 배전반 구매 설치",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-01-12",
          "changed_date": "2026-06-17",
          "amount_total_krw": 0,
          "amount_this_krw": 547042460,
          "amount_krw": 547042460,
          "buyer_ko": "한국지역난방공사",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01329087&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01267008",
          "title_ko": "새만금산단 방류관로 건설사업 관급자재 구매(수배전반)",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-29",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 806560760,
          "amount_krw": 806560760,
          "buyer_ko": "새만금개발청",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01267008&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&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."
}