{ "module": "kr-suppliers", "itemId": "3108111397", "title": "seowon Co., Ltd (서원건설(주))", "summary": "Public procurement supplier (3108111397): 23 contracts, KRW 3,050,306,380.", "data": { "kind": "supplier", "business_registration_no": "3108111397", "corp_code": null, "name_en": "seowon Co., Ltd", "name_ko": "서원건설(주)", "established_date": "1999-03-01", "address": "충청남도 서산시 남원3길 4-0 (석남동) 2층", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 9, "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": 23, "joint_contract_count": 0, "total_amount_krw": 3050306380, "by_category": { "goods": { "contract_count": 0, "amount_krw": 0 }, "construction": { "contract_count": 23, "amount_krw": 3050306380 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 17, "amount_total_krw": 2492560380, "amount_this_krw": 2492560380, "share_amount_krw": 2492560380 }, "unit_price": { "contract_count": 2, "amount_total_krw": 131896000, "amount_this_krw": 131896000, "share_amount_krw": 131896000 }, "multi_year": { "contract_count": 4, "amount_total_krw": 1081705300, "amount_this_krw": 557746000, "share_amount_krw": 557746000 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "4550000", "buyer_ko": "충청남도 금산군", "contract_count": 1, "amount_krw": 1456180000 }, { "buyer_code": "4530000", "buyer_ko": "충청남도 서산시", "contract_count": 9, "amount_krw": 564126340 }, { "buyer_code": "1613229", "buyer_ko": "국토교통부 대전지방국토관리청 논산국토관리사무소", "contract_count": 2, "amount_krw": 311530000 }, { "buyer_code": "8191000", "buyer_ko": "충청남도교육청 충청남도서산교육지원청", "contract_count": 4, "amount_krw": 255308480 }, { "buyer_code": "D150284", "buyer_ko": "한국농어촌공사 충남지역본부 당진지사", "contract_count": 2, "amount_krw": 246216000 } ], "recent_contracts": [ { "contract_no": "R26TA02295170", "title_ko": "부석중학교 텍스 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-08", "changed_date": null, "amount_total_krw": 8786000, "amount_this_krw": 8786000, "amount_krw": 8786000, "buyer_ko": "충청남도교육청 충청남도서산교육지원청", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02295170&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02167373", "title_ko": "충청남도교육청 온돌봄센터 서산 구축 기계설비공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-08-24", "changed_date": null, "amount_total_krw": 167971600, "amount_this_krw": 167971600, "amount_krw": 167971600, "buyer_ko": "충청남도교육청 충청남도서산교육지원청", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02167373&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02045312", "title_ko": "대산초등학교 한울타리 유치원 건축공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-10", "changed_date": "2026-07-24", "amount_total_krw": 49596860, "amount_this_krw": 49596860, "amount_krw": 49596860, "buyer_ko": "충청남도서산교육청 대산초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02045312&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01913293", "title_ko": "서산중앙고등학교 음악실동 지붕방수공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-05-29", "changed_date": "2026-07-15", "amount_total_krw": 17774960, "amount_this_krw": 17774960, "amount_krw": 17774960, "buyer_ko": "충청남도교육청 충청남도서산교육지원청", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01913293&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01913192", "title_ko": "관내 버스정차대 보도정비 등 환경개선 공사(2차)", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-05-29", "changed_date": "2026-06-24", "amount_total_krw": 311530000, "amount_this_krw": 208802800, "amount_krw": 208802800, "buyer_ko": "국토교통부 대전지방국토관리청 논산국토관리사무소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01913192&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01797005", "title_ko": "동문동 도시재생 뉴딜사업(번화로공영주차장 조성사업) 건축물 해체공사", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-04-24", "changed_date": "2026-06-09", "amount_total_krw": 42401000, "amount_this_krw": 42401000, "amount_krw": 42401000, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01797005&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01768096", "title_ko": "2026년 서산바이오웰빙연구특구 시설녹지 관리사업", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-17", "changed_date": "2026-10-01", "amount_total_krw": 31075720, "amount_this_krw": 31075720, "amount_krw": 31075720, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01768096&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01744205", "title_ko": "조산2교 등 4개교 보수보강공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-13", "changed_date": "2026-06-22", "amount_total_krw": 73715030, "amount_this_krw": 73715030, "amount_krw": 73715030, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01744205&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01738361", "title_ko": "황락리 도로 복구공사(재해복구사업)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-10", "changed_date": "2026-06-10", "amount_total_krw": 155457420, "amount_this_krw": 155457420, "amount_krw": 155457420, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01738361&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01694840", "title_ko": "2026년 상반기 해미지소 관내 용배수로 퇴적물제거공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-01", "changed_date": null, "amount_total_krw": 44400000, "amount_this_krw": 44400000, "amount_krw": 44400000, "buyer_ko": "한국농어촌공사 충남지역본부 서산.태안지사", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01694840&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01573904", "title_ko": "용현2리 구거 정비공사(재해복구사업)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-03-05", "changed_date": "2026-03-26", "amount_total_krw": 54126820, "amount_this_krw": 54126820, "amount_krw": 54126820, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01573904&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01006298", "title_ko": "금산 자연치유정원 진입도로 개설공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-02-25", "changed_date": "2026-09-14", "amount_total_krw": 1456180000, "amount_this_krw": 1456180000, "amount_krw": 1456180000, "buyer_ko": "충청남도 금산군", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01006298&ctrtChgOrd=04&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01493272", "title_ko": "2026년 도로구조물 유지보수공사(연간단가)", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-02-19", "changed_date": "2026-02-19", "amount_total_krw": 89495000, "amount_this_krw": 89495000, "amount_krw": 89495000, "buyer_ko": "충청남도 건설본부 건설사업부 북부사무소", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01493272&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01441827", "title_ko": "서산문화재단 사무실 유리칸막이 설치공사(금속창호)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-02-06", "changed_date": "2026-03-20", "amount_total_krw": 20824550, "amount_this_krw": 20824550, "amount_krw": 20824550, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01441827&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01340184", "title_ko": "면천면 율사7호 배수지선 수해복구공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-01-13", "changed_date": "2026-04-08", "amount_total_krw": 246216000, "amount_this_krw": 131694000, "amount_krw": 131694000, "buyer_ko": "한국농어촌공사 충남지역본부 당진지사", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01340184&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01219827", "title_ko": "대산초등학교 한울타리 유치원 조성 건축공사 변경 계약", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-17", "changed_date": "2026-03-06", "amount_total_krw": 109701700, "amount_this_krw": 109701700, "amount_krw": 109701700, "buyer_ko": "충청남도서산교육청 대산초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01219827&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01214491", "title_ko": "해미천(소하천) 재해복구사업 2구간", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-16", "changed_date": "2026-03-23", "amount_total_krw": 160860400, "amount_this_krw": 160860400, "amount_krw": 160860400, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01214491&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01183487", "title_ko": "긍정적 행동지원실(PBS실) 방음가벽 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-15", "changed_date": null, "amount_total_krw": 13247000, "amount_this_krw": 13247000, "amount_krw": 13247000, "buyer_ko": "충청남도교육청 서산성봉학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01183487&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01187909", "title_ko": "서산여자고등학교 기숙사 난방교체공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-11", "changed_date": "2026-02-24", "amount_total_krw": 60775920, "amount_this_krw": 60775920, "amount_krw": 60775920, "buyer_ko": "충청남도교육청 충청남도서산교육지원청", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01187909&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01125595", "title_ko": "상홍리 농로 포장공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-11-25", "changed_date": "2025-12-26", "amount_total_krw": 47321040, "amount_this_krw": 47321040, "amount_krw": 47321040, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01125595&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." }