{
  "module": "kr-suppliers",
  "itemId": "2298137000",
  "title": "예스이십사 주식회사",
  "summary": "Public procurement supplier (2298137000): 11 contracts, KRW 485,218,880.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "2298137000",
    "name_en": null,
    "name_ko": "예스이십사 주식회사",
    "established_date": null,
    "address": null,
    "homepage": null,
    "manufacturer_type": null,
    "employees_reported": null,
    "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. Where KONEPS reports no total contract amount, the current-period amount is used as the total.",
    "procurement": {
      "period": {
        "from": "2025-11-06",
        "to": "2026-11-05",
        "basis": "original_signed_date"
      },
      "contract_count": 11,
      "joint_contract_count": 0,
      "total_amount_krw": 485218880,
      "by_category": {
        "goods": {
          "contract_count": 8,
          "amount_krw": 118024280
        },
        "construction": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "services": {
          "contract_count": 3,
          "amount_krw": 367194600
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 11,
          "amount_total_krw": 485218880,
          "amount_this_krw": 485218880,
          "share_amount_krw": 485218880
        },
        "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": "Z001345",
          "buyer_ko": "한국산업기술시험원",
          "contract_count": 1,
          "amount_krw": 340900000
        },
        {
          "buyer_code": "7000055",
          "buyer_ko": "강원대학교",
          "contract_count": 1,
          "amount_krw": 48056000
        },
        {
          "buyer_code": "C035823",
          "buyer_ko": "국립공주대학교 도서관",
          "contract_count": 1,
          "amount_krw": 34325000
        },
        {
          "buyer_code": "B552635",
          "buyer_ko": "사립학교교직원연금공단",
          "contract_count": 2,
          "amount_krw": 23500000
        },
        {
          "buyer_code": "Z028519",
          "buyer_ko": "국방전직교육원",
          "contract_count": 1,
          "amount_krw": 17994600
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02336005",
          "title_ko": "전주풍남중 전자책 구입",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-10-20",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 885330,
          "amount_krw": 885330,
          "buyer_ko": "전북특별자치도교육청 전북특별자치도전주교육지원청 전주풍남중학교",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02336005&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02083789",
          "title_ko": "2026년 제1차 전자도서 구매",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-07-27",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 10000000,
          "amount_krw": 10000000,
          "buyer_ko": "사립학교교직원연금공단",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02083789&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01999731",
          "title_ko": "한국체육대학교 2026학년도 전자자료(Crema Club) 구독",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-06-29",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 4576000,
          "amount_krw": 4576000,
          "buyer_ko": "한국체육대학교",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01999731&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01765638",
          "title_ko": "국방전직교육원 2026년 뉴스타트Ⅰ형 교재 구매",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2026-04-16",
          "changed_date": null,
          "amount_total_krw": 17994600,
          "amount_this_krw": 17994600,
          "amount_krw": 17994600,
          "buyer_ko": "국방전직교육원",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01765638&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01761705",
          "title_ko": "2026학년도 광탄고 1차 도서구입(전자도서)",
          "category": "goods",
          "contract_type": "lump_sum",
          "signed_date": "2026-04-16",
          "changed_date": null,
          "amount_total_krw": 0,
          "amount_this_krw": 2681950,
          "amount_krw": 2681950,
          "buyer_ko": "경기도교육청 광탄고등학교",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01761705&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. Where KONEPS reports no total contract amount, the current-period amount is used as the total.",
      "source_url": "https://www.g2b.go.kr",
      "verified_at": "2026-11-05T15:50:44.373Z"
    },
    "source_url": "https://www.g2b.go.kr",
    "verified_at": "2026-11-05T15:50:44.373Z",
    "corp_code": "00362858"
  },
  "source_url": "https://www.g2b.go.kr",
  "verified_at": "2026-11-05T15:50:44.373Z",
  "updated_at": "2026-11-05T15:50:44.373Z",
  "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. Where KONEPS reports no total contract amount, the current-period amount is used as the total."
}