{ "module": "kr-suppliers", "itemId": "4188100307", "title": "gwangsan ((유)광산토건)", "summary": "Public procurement supplier (4188100307): 9 contracts, KRW 15,735,930,520.", "data": { "kind": "supplier", "business_registration_no": "4188100307", "corp_code": null, "name_en": "gwangsan", "name_ko": "(유)광산토건", "established_date": "1989-09-02", "address": "경기도 성남시 수정구 위례광장로 300-0 (창곡동) 중앙타워1305-2", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 16, "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": 9, "joint_contract_count": 5, "total_amount_krw": 15735930520, "by_category": { "goods": { "contract_count": 0, "amount_krw": 0 }, "construction": { "contract_count": 9, "amount_krw": 15735930520 }, "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": 17480961150, "amount_this_krw": 17480961150, "share_amount_krw": 10523691600 }, "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": 80940243720, "amount_this_krw": 31317402000, "share_amount_krw": 5212238920 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "B350021", "buyer_ko": "한국과학기술원", "contract_count": 1, "amount_krw": 9607657950 }, { "buyer_code": "3740143", "buyer_ko": "경기도 수원시 환경국 하수관리과", "contract_count": 1, "amount_krw": 1812499520 }, { "buyer_code": "1384000", "buyer_ko": "성평등가족부", "contract_count": 1, "amount_krw": 1531905000 }, { "buyer_code": "7031000", "buyer_ko": "서울특별시교육청 서울특별시서부교육지원청", "contract_count": 2, "amount_krw": 1450366400 }, { "buyer_code": "4090000", "buyer_ko": "경기도 김포시", "contract_count": 1, "amount_krw": 826253650 } ], "recent_contracts": [ { "contract_no": "R26TA02250061", "title_ko": "김포시추모공원 관리사무소 신축(건축공사)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-01", "changed_date": null, "amount_total_krw": 826253650, "amount_this_krw": 826253650, "amount_krw": 826253650, "buyer_ko": "경기도 김포시", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02250061&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02234585", "title_ko": "국립광주청소년디딤센터 건립사업 건축공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-09-17", "changed_date": null, "amount_total_krw": 9917403140, "amount_this_krw": 3063810000, "amount_krw": 3063810000, "buyer_ko": "성평등가족부", "method_ko": "제한경쟁", "role": "주계약업체", "joint": true, "share_pct": 50, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02234585&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02080566", "title_ko": "동물원 맹수사 샤워실 조성공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-22", "changed_date": "2026-08-18", "amount_total_krw": 54900000, "amount_this_krw": 54900000, "amount_krw": 54900000, "buyer_ko": "서울특별시 서울대공원", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02080566&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01798971", "title_ko": "(장기2차)서울역촌초 그린스마트 미래학교 증개축공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-04-29", "changed_date": "2026-09-14", "amount_total_krw": 24273763000, "amount_this_krw": 4900000000, "amount_krw": 4900000000, "buyer_ko": "서울특별시교육청 서울특별시서부교육지원청", "method_ko": "일반경쟁", "role": "도급업체", "joint": true, "share_pct": 28, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01798971&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01445602", "title_ko": "동서지구 수리시설개보수사업 토목공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-02-12", "changed_date": "2026-10-14", "amount_total_krw": 539838780, "amount_this_krw": 417468000, "amount_krw": 417468000, "buyer_ko": "한국농어촌공사 전북지역본부 동진지사", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01445602&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01359739", "title_ko": "수원시 하수관로 정비(고색,곡반정,권선,공단)공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-01-20", "changed_date": "2026-08-07", "amount_total_krw": 22656244000, "amount_this_krw": 22656244000, "amount_krw": 22656244000, "buyer_ko": "경기도 수원시 환경국 하수관리과", "method_ko": "일반경쟁", "role": "도급업체", "joint": true, "share_pct": 8, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01359739&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01285868", "title_ko": "(장기계속)서울역촌초 그린스마트 미래학교 증개축공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2025-12-30", "changed_date": "2026-09-03", "amount_total_krw": 23552994800, "amount_this_krw": 279880000, "amount_krw": 279880000, "buyer_ko": "서울특별시교육청 서울특별시서부교육지원청", "method_ko": "일반경쟁", "role": "도급업체", "joint": true, "share_pct": 28, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01285868&ctrtChgOrd=04&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01172193", "title_ko": "KAIST 혁신 디지털 의과학원 신축공사(건축)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-08", "changed_date": "2026-08-20", "amount_total_krw": 16564927500, "amount_this_krw": 16564927500, "amount_krw": 16564927500, "buyer_ko": "한국과학기술원", "method_ko": "제한경쟁", "role": "주계약업체", "joint": true, "share_pct": 58, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01172193&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01096779", "title_ko": "서울대공원 동물원관리사무소 실외기 이설 공사(건축) 시행", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-11-17", "changed_date": "2025-12-09", "amount_total_krw": 34880000, "amount_this_krw": 34880000, "amount_krw": 34880000, "buyer_ko": "서울특별시 서울대공원", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01096779&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." }