{
  "module": "kr-suppliers",
  "itemId": "3018146970",
  "title": "GS CONSTRUCTION CO. (지에스건설(주))",
  "summary": "Public procurement supplier (3018146970): 8 contracts, KRW 5,766,312,702.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "3018146970",
    "corp_code": null,
    "name_en": "GS CONSTRUCTION CO.",
    "name_ko": "지에스건설(주)",
    "established_date": "2000-10-20",
    "address": "충청북도 청주시 청원구 오창읍 과학산업5로 108-11 거상빌딩4층 (거상빌딩4층)",
    "homepage": null,
    "manufacturer_type": {
      "code": "supplier",
      "raw_ko": "공급"
    },
    "employees_reported": 22,
    "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": 5766312702,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 8,
          "amount_krw": 5766312702
        },
        "services": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 4,
          "amount_total_krw": 645747000,
          "amount_this_krw": 645747000,
          "share_amount_krw": 645747000
        },
        "unit_price": {
          "contract_count": 1,
          "amount_total_krw": 94680000,
          "amount_this_krw": 94680000,
          "share_amount_krw": 94680000
        },
        "multi_year": {
          "contract_count": 3,
          "amount_total_krw": 34387371000,
          "amount_this_krw": 10675040000,
          "share_amount_krw": 5120565702
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "B552584",
          "buyer_ko": "한국환경공단",
          "contract_count": 1,
          "amount_krw": 3284987862
        },
        {
          "buyer_code": "1613239",
          "buyer_ko": "국토교통부 대전지방국토관리청 보은국토관리사무소",
          "contract_count": 1,
          "amount_krw": 947900000
        },
        {
          "buyer_code": "D151649",
          "buyer_ko": "한국농어촌공사 충북지역본부 청주지사",
          "contract_count": 1,
          "amount_krw": 887677840
        },
        {
          "buyer_code": "5710020",
          "buyer_ko": "충청북도 청주시 환경관리본부",
          "contract_count": 1,
          "amount_krw": 376051000
        },
        {
          "buyer_code": "5710000",
          "buyer_ko": "충청북도 청주시",
          "contract_count": 2,
          "amount_krw": 204919000
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA01433694",
          "title_ko": "2026년 사유지내 급수관 이설공사(연간단가1차)",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-10-19",
          "changed_date": "2026-10-27",
          "amount_total_krw": 64777000,
          "amount_this_krw": 64777000,
          "amount_krw": 64777000,
          "buyer_ko": "충청북도 청주시 상수도사업본부",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01433694&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01402103",
          "title_ko": "가덕지구 다목적농촌용수개발사업 토목건축공사",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-10-01",
          "changed_date": "2026-10-29",
          "amount_total_krw": 17482921000,
          "amount_this_krw": 3170278000,
          "amount_krw": 3170278000,
          "buyer_ko": "한국농어촌공사 충북지역본부 청주지사",
          "method_ko": "제한경쟁",
          "role": "도급업체",
          "joint": true,
          "share_pct": 28,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01402103&ctrtChgOrd=04&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02177901",
          "title_ko": "남이면 척산리 오수관로 정비사업",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-08-27",
          "changed_date": null,
          "amount_total_krw": 376051000,
          "amount_this_krw": 376051000,
          "amount_krw": 376051000,
          "buyer_ko": "충청북도 청주시 환경관리본부",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02177901&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01728497",
          "title_ko": "미원면 어암리(인봉) 소규모수도시설 물탱크 교체공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-04-08",
          "changed_date": null,
          "amount_total_krw": 47119000,
          "amount_this_krw": 47119000,
          "amount_krw": 47119000,
          "buyer_ko": "충청북도 청주시",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01728497&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01407565",
          "title_ko": "국도34호선 반탄교(구) 내하력보강 및 보도설치공사(2차)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-02-02",
          "changed_date": "2026-08-25",
          "amount_total_krw": 1747900000,
          "amount_this_krw": 947900000,
          "amount_krw": 947900000,
          "buyer_ko": "국토교통부 대전지방국토관리청 보은국토관리사무소",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01407565&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01274305",
          "title_ko": "청주시 옥산산업단지 완충저류시설 설치사업 3차분",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2025-12-30",
          "changed_date": "2026-08-07",
          "amount_total_krw": 15156550000,
          "amount_this_krw": 6556862000,
          "amount_krw": 6556862000,
          "buyer_ko": "한국환경공단",
          "method_ko": "일반경쟁",
          "role": "주계약업체",
          "joint": true,
          "share_pct": 50.1,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01274305&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01142146",
          "title_ko": "2025년 서원구 누수보수 및 시설물 보수공사(연간단가 4차)",
          "category": "construction",
          "contract_type": "unit_price",
          "signed_date": "2025-11-28",
          "changed_date": "2025-12-26",
          "amount_total_krw": 94680000,
          "amount_this_krw": 94680000,
          "amount_krw": 94680000,
          "buyer_ko": "충청북도 청주시 상수도사업본부",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01142146&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01093000",
          "title_ko": "미원 어암양수장 개보수사업",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-11-17",
          "changed_date": "2026-05-29",
          "amount_total_krw": 157800000,
          "amount_this_krw": 157800000,
          "amount_krw": 157800000,
          "buyer_ko": "충청북도 청주시",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01093000&ctrtChgOrd=03&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."
}