{ "module": "kr-suppliers", "itemId": "4688801071", "title": "주식회사리더스건설산업", "summary": "Public procurement supplier (4688801071): 30 contracts, KRW 1,874,553,150.", "data": { "kind": "supplier", "business_registration_no": "4688801071", "corp_code": null, "name_en": null, "name_ko": "주식회사리더스건설산업", "established_date": "2018-09-19", "address": "서울특별시 노원구 한글비석로 444-0 (상계동, 교림노원프라자) 3층 311호", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 7, "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": 30, "joint_contract_count": 0, "total_amount_krw": 1874553150, "by_category": { "goods": { "contract_count": 0, "amount_krw": 0 }, "construction": { "contract_count": 30, "amount_krw": 1874553150 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 24, "amount_total_krw": 1347284130, "amount_this_krw": 1347284130, "share_amount_krw": 1347284130 }, "unit_price": { "contract_count": 3, "amount_total_krw": 81022900, "amount_this_krw": 81022900, "share_amount_krw": 81022900 }, "multi_year": { "contract_count": 3, "amount_total_krw": 1014338040, "amount_this_krw": 527269020, "share_amount_krw": 527269020 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "7130000", "buyer_ko": "서울특별시교육청 서울특별시강동송파교육지원청", "contract_count": 2, "amount_krw": 487069020 }, { "buyer_code": "3040000", "buyer_ko": "서울특별시 광진구", "contract_count": 2, "amount_krw": 438910000 }, { "buyer_code": "7132000", "buyer_ko": "서울특별시교육청 서울특별시동작관악교육지원청", "contract_count": 1, "amount_krw": 223018000 }, { "buyer_code": "7011493", "buyer_ko": "서울특별시교육청 인덕과학기술고등학교", "contract_count": 3, "amount_krw": 116984000 }, { "buyer_code": "7011569", "buyer_ko": "서울특별시교육청 미림마이스터고등학교", "contract_count": 1, "amount_krw": 54500000 } ], "recent_contracts": [ { "contract_no": "R26TA02348661", "title_ko": "2026년 서울방송고 소규모 석면 제거 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-23", "changed_date": null, "amount_total_krw": 8033000, "amount_this_krw": 8033000, "amount_krw": 8033000, "buyer_ko": "서울특별시교육청 서울방송고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02348661&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02322596", "title_ko": "2026년 영동교골목시장 개폐형 가림막 출입문 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-16", "changed_date": null, "amount_total_krw": 6402000, "amount_this_krw": 6402000, "amount_krw": 6402000, "buyer_ko": "서울특별시 광진구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02322596&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02306713", "title_ko": "대조시장 노점관리대 및 벽면 철거", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-12", "changed_date": null, "amount_total_krw": 19404000, "amount_this_krw": 19404000, "amount_krw": 19404000, "buyer_ko": "서울특별시 은평구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02306713&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02104170", "title_ko": "백합관 강당 무대 환경개선공사", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-07-29", "changed_date": null, "amount_total_krw": 47274900, "amount_this_krw": 47274900, "amount_krw": 47274900, "buyer_ko": "서울특별시중부교육청 성심여자중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02104170&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02092250", "title_ko": "영육아보육과 실습실 전기릴 교체", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-28", "changed_date": null, "amount_total_krw": 4158000, "amount_this_krw": 4158000, "amount_krw": 4158000, "buyer_ko": "서울특별시교육청 서울동산고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02092250&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02087169", "title_ko": "2026년 홍익디자인고등학교 본관 4층 성찰교실(학교공간재구조화) 계약(건축공사)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-27", "changed_date": null, "amount_total_krw": 15879000, "amount_this_krw": 15879000, "amount_krw": 15879000, "buyer_ko": "서울특별시교육청 홍익디자인고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02087169&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02083329", "title_ko": "백합관 강당 무대 환경개선공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-27", "changed_date": null, "amount_total_krw": 43709400, "amount_this_krw": 43709400, "amount_krw": 43709400, "buyer_ko": "서울특별시중부교육청 성심여자중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02083329&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02075242", "title_ko": "상도4동 214-200필지 건축물 해체공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-20", "changed_date": "2026-08-19", "amount_total_krw": 50027000, "amount_this_krw": 50027000, "amount_krw": 50027000, "buyer_ko": "서울특별시 동작구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02075242&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02065912", "title_ko": "잠실여자고등학교 석면 해체공사", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-07-15", "changed_date": null, "amount_total_krw": 3748000, "amount_this_krw": 3748000, "amount_krw": 3748000, "buyer_ko": "서울특별시교육청 잠실여자고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02065912&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02035407", "title_ko": "경원중학교 중앙현관 학생활동지원 시설개선공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-06", "changed_date": null, "amount_total_krw": 53000000, "amount_this_krw": 53000000, "amount_krw": 53000000, "buyer_ko": "서울특별시강남교육청 경원중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02035407&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02025889", "title_ko": "협약형특성화고 스마트시티 홍보관(전시실) 조성공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-02", "changed_date": null, "amount_total_krw": 49080000, "amount_this_krw": 49080000, "amount_krw": 49080000, "buyer_ko": "서울특별시교육청 인덕과학기술고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02025889&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01983318", "title_ko": "캠코양재타워 지하1층 여자화장실 개선 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-06-19", "changed_date": null, "amount_total_krw": 50000000, "amount_this_krw": 50000000, "amount_krw": 50000000, "buyer_ko": "한국자산관리공사", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01983318&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01955762", "title_ko": "미림여자고등학교 1, 2학년 전자칠판 설치 건축 공사 건", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-06-11", "changed_date": null, "amount_total_krw": 30000000, "amount_this_krw": 30000000, "amount_krw": 30000000, "buyer_ko": "서울특별시교육청 미림여자고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01955762&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01946187", "title_ko": "노원1종합사회복지관 2층 화장실 환경 개선 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-06-09", "changed_date": null, "amount_total_krw": 40000000, "amount_this_krw": 40000000, "amount_krw": 40000000, "buyer_ko": "서울특별시 노원구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01946187&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01860914", "title_ko": "인왕산 근린공원 주민복합문화공간 조성 석면해체공사 시행", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-05-15", "changed_date": null, "amount_total_krw": 34650000, "amount_this_krw": 34650000, "amount_krw": 34650000, "buyer_ko": "서울특별시 종로구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01860914&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01766461", "title_ko": "장위중학교 옥상 샌드위치 패널 건축물 철거 및 부분 방수 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-17", "changed_date": null, "amount_total_krw": 39000000, "amount_this_krw": 39000000, "amount_krw": 39000000, "buyer_ko": "서울특별시성북교육청 장위중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01766461&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01742572", "title_ko": "본관동 위클래스 방음공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-13", "changed_date": null, "amount_total_krw": 15000000, "amount_this_krw": 15000000, "amount_krw": 15000000, "buyer_ko": "서울특별시교육청 서울동산고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01742572&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01705349", "title_ko": "영동교골목시장 개폐형 가림막 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-02", "changed_date": "2026-08-06", "amount_total_krw": 432508000, "amount_this_krw": 432508000, "amount_krw": 432508000, "buyer_ko": "서울특별시 광진구", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01705349&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01634624", "title_ko": "우체국보험 서울영등포회관 캐노피설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-03-18", "changed_date": null, "amount_total_krw": 45494730, "amount_this_krw": 45494730, "amount_krw": 45494730, "buyer_ko": "과학기술정보통신부 우정사업본부 서울지방우정청", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01634624&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01596968", "title_ko": "지역주민 개방형 프로그램실 조성", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-03-10", "changed_date": null, "amount_total_krw": 40200000, "amount_this_krw": 40200000, "amount_krw": 40200000, "buyer_ko": "서울시 노원1종합사회복지관", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01596968&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." }