{ "module": "kr-suppliers", "itemId": "3018135454", "title": "gusan (주식회사 구산종합건설)", "summary": "Public procurement supplier (3018135454): 7 contracts, KRW 23,154,829,000.", "data": { "kind": "supplier", "business_registration_no": "3018135454", "corp_code": null, "name_en": "gusan", "name_ko": "주식회사 구산종합건설", "established_date": "1999-02-01", "address": "인천광역시 연수구 인천타워대로 323 (송도동) A동 603호", "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": 7, "joint_contract_count": 1, "total_amount_krw": 23154829000, "by_category": { "goods": { "contract_count": 0, "amount_krw": 0 }, "construction": { "contract_count": 7, "amount_krw": 23154829000 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 2, "amount_total_krw": 2944226000, "amount_this_krw": 2944226000, "share_amount_krw": 2944226000 }, "unit_price": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 }, "multi_year": { "contract_count": 5, "amount_total_krw": 42149240900, "amount_this_krw": 21863003000, "share_amount_krw": 20210603000 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "7331000", "buyer_ko": "인천광역시교육청 인천광역시북부교육지원청", "contract_count": 1, "amount_krw": 8889356000 }, { "buyer_code": "6260361", "buyer_ko": "부산광역시 건설본부", "contract_count": 1, "amount_krw": 5071600000 }, { "buyer_code": "7310627", "buyer_ko": "인천광역시교육청 재능고등학교", "contract_count": 1, "amount_krw": 2779047000 }, { "buyer_code": "3490000", "buyer_ko": "인천광역시 중구", "contract_count": 1, "amount_krw": 1888953000 }, { "buyer_code": "3510500", "buyer_ko": "인천광역시 미추홀구", "contract_count": 1, "amount_krw": 1883000000 } ], "recent_contracts": [ { "contract_no": "R26TA02284547", "title_ko": "재능고 다목적강당 증축공사(계속비)", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-10-08", "changed_date": null, "amount_total_krw": 2779047000, "amount_this_krw": 2779047000, "amount_krw": 2779047000, "buyer_ko": "인천광역시교육청 재능고등학교", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02284547&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02151007", "title_ko": "영암 교동지구 도시개발사업(2차)", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-08-20", "changed_date": "2026-09-29", "amount_total_krw": 11282761900, "amount_this_krw": 3240000000, "amount_krw": 3240000000, "buyer_ko": "전남광주통합특별시 영암군", "method_ko": "일반경쟁", "role": "도급업체", "joint": true, "share_pct": 49, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02151007&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01657975", "title_ko": "기장하수처리구역 분류식 관로 정비사업(5차)", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-03-25", "changed_date": "2026-09-21", "amount_total_krw": 15920600000, "amount_this_krw": 5071600000, "amount_krw": 5071600000, "buyer_ko": "부산광역시 건설본부", "method_ko": "일반경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01657975&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01640009", "title_ko": "용현1,4동 454-472번지 재난위험시설 일원 공영주차장 조성공사(장기계속)", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-03-23", "changed_date": "2026-10-01", "amount_total_krw": 3277476000, "amount_this_krw": 1883000000, "amount_krw": 1883000000, "buyer_ko": "인천광역시 미추홀구", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01640009&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01364019", "title_ko": "마당개 진입도로 개설공사(1단계)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-01-26", "changed_date": null, "amount_total_krw": 1055273000, "amount_this_krw": 1055273000, "amount_krw": 1055273000, "buyer_ko": "인천광역시 영종구", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01364019&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01105513", "title_ko": "영종구 임시청사 사무공간 조성공사(건축,기계)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-11-19", "changed_date": "2026-03-18", "amount_total_krw": 1888953000, "amount_this_krw": 1888953000, "amount_krw": 1888953000, "buyer_ko": "인천광역시 중구", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01105513&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01078246", "title_ko": "인천부평동초 공간재구조화 증개축 및 거점형 늘봄센터 설치공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2025-11-14", "changed_date": "2025-12-31", "amount_total_krw": 8889356000, "amount_this_krw": 8889356000, "amount_krw": 8889356000, "buyer_ko": "인천광역시교육청 인천광역시북부교육지원청", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01078246&ctrtChgOrd=01&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." }