{
  "module": "kr-suppliers",
  "itemId": "3178102813",
  "title": "JINSEONG CONSTRUTION (주식회사 제이에스씨)",
  "summary": "Public procurement supplier (3178102813): 8 contracts, KRW 32,732,206,000.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "3178102813",
    "corp_code": null,
    "name_en": "JINSEONG CONSTRUTION",
    "name_ko": "주식회사 제이에스씨",
    "established_date": "2007-01-02",
    "address": "충청북도 청주시 서원구 궁뜰로33번길 35(미평동)",
    "homepage": null,
    "manufacturer_type": {
      "code": "supplier",
      "raw_ko": "공급"
    },
    "employees_reported": 26,
    "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": 8,
      "joint_contract_count": 2,
      "total_amount_krw": 32732206000,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 8,
          "amount_krw": 32732206000
        },
        "services": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 1,
          "amount_total_krw": 4212214000,
          "amount_this_krw": 4212214000,
          "share_amount_krw": 4212214000
        },
        "unit_price": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        },
        "multi_year": {
          "contract_count": 7,
          "amount_total_krw": 66913886000,
          "amount_this_krw": 31356519000,
          "share_amount_krw": 28519992000
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "4420049",
          "buyer_ko": "충청북도 보은군 상하수도사업소",
          "contract_count": 3,
          "amount_krw": 10961197000
        },
        {
          "buyer_code": "6430000",
          "buyer_ko": "충청북도",
          "contract_count": 1,
          "amount_krw": 10258404000
        },
        {
          "buyer_code": "1482030",
          "buyer_ko": "기후에너지환경부 원주지방환경청",
          "contract_count": 1,
          "amount_krw": 5358759000
        },
        {
          "buyer_code": "4470000",
          "buyer_ko": "충청북도 음성군",
          "contract_count": 1,
          "amount_krw": 4212214000
        },
        {
          "buyer_code": "4440000",
          "buyer_ko": "충청북도 영동군",
          "contract_count": 1,
          "amount_krw": 1193732000
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02342388",
          "title_ko": "절골소하천 정비사업",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-10-22",
          "changed_date": null,
          "amount_total_krw": 4212214000,
          "amount_this_krw": 4212214000,
          "amount_krw": 4212214000,
          "buyer_ko": "충청북도 음성군",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02342388&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01586809",
          "title_ko": "상촌-황간 도로건설공사(1공구)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-03-09",
          "changed_date": "2026-09-14",
          "amount_total_krw": 30461410000,
          "amount_this_krw": 10798320000,
          "amount_krw": 10798320000,
          "buyer_ko": "충청북도",
          "method_ko": "일반경쟁",
          "role": "주계약업체",
          "joint": true,
          "share_pct": 95,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01586809&ctrtChgOrd=03&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01564894",
          "title_ko": "섬강 부평지구 하천환경정비사업(4차)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-03-04",
          "changed_date": null,
          "amount_total_krw": 17752000000,
          "amount_this_krw": 7655370000,
          "amount_krw": 7655370000,
          "buyer_ko": "기후에너지환경부 원주지방환경청",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": true,
          "share_pct": 70,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01564894&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01297273",
          "title_ko": "쾡이소하천 정비사업(전체분)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2025-12-30",
          "changed_date": "2026-06-26",
          "amount_total_krw": 1193732000,
          "amount_this_krw": 1193732000,
          "amount_krw": 1193732000,
          "buyer_ko": "충청북도 영동군",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01297273&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01291003",
          "title_ko": "청산 신매소하천 정비사업(총괄분, 1차분)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2025-12-30",
          "changed_date": "2026-03-31",
          "amount_total_krw": 4978697000,
          "amount_this_krw": 747900000,
          "amount_krw": 747900000,
          "buyer_ko": "충청북도 옥천군",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01291003&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01258835",
          "title_ko": "지방상수도 비상공급망 구축사업(토목,기계) 1차분",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2025-12-19",
          "changed_date": "2026-03-09",
          "amount_total_krw": 4698299000,
          "amount_this_krw": 3131449000,
          "amount_krw": 3131449000,
          "buyer_ko": "충청북도 보은군 상하수도사업소",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01258835&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01233256",
          "title_ko": "지방상수도 비상공급망 구축사업(토목,기계) 1차분",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2025-12-19",
          "changed_date": null,
          "amount_total_krw": 3131449000,
          "amount_this_krw": 3131449000,
          "amount_krw": 3131449000,
          "buyer_ko": "충청북도 보은군 상하수도사업소",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01233256&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01229554",
          "title_ko": "지방상수도 비상공급망 구축사업(토목,기계)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2025-12-18",
          "changed_date": null,
          "amount_total_krw": 4698299000,
          "amount_this_krw": 4698299000,
          "amount_krw": 4698299000,
          "buyer_ko": "충청북도 보은군 상하수도사업소",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01229554&ctrtChgOrd=00&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."
}