{ "module": "kr-suppliers", "itemId": "3018135959", "title": "seaju construction co., ltd. ((주)세주건설)", "summary": "Public procurement supplier (3018135959): 15 contracts, KRW 2,249,807,100.", "data": { "kind": "supplier", "business_registration_no": "3018135959", "corp_code": null, "name_en": "seaju construction co., ltd.", "name_ko": "(주)세주건설", "established_date": "1999-03-08", "address": "충청북도 청주시 서원구 남이면 양촌3길 12 ()", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 10, "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": 15, "joint_contract_count": 0, "total_amount_krw": 2249807100, "by_category": { "goods": { "contract_count": 0, "amount_krw": 0 }, "construction": { "contract_count": 15, "amount_krw": 2249807100 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 10, "amount_total_krw": 1971937100, "amount_this_krw": 1971937100, "share_amount_krw": 1971937100 }, "unit_price": { "contract_count": 3, "amount_total_krw": 109679460, "amount_this_krw": 109679460, "share_amount_krw": 109679460 }, "multi_year": { "contract_count": 2, "amount_total_krw": 551463000, "amount_this_krw": 277870000, "share_amount_krw": 277870000 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "4420000", "buyer_ko": "충청북도 보은군", "contract_count": 1, "amount_krw": 1393423000 }, { "buyer_code": "5710000", "buyer_ko": "충청북도 청주시", "contract_count": 2, "amount_krw": 349791000 }, { "buyer_code": "1613234", "buyer_ko": "국토교통부 대전지방국토관리청 충주국토관리사무소", "contract_count": 2, "amount_krw": 277870000 }, { "buyer_code": "5720000", "buyer_ko": "충청북도 청주시 상당구", "contract_count": 1, "amount_krw": 59067000 }, { "buyer_code": "5725000", "buyer_ko": "충청북도 청주시 서원구", "contract_count": 2, "amount_krw": 40275000 } ], "recent_contracts": [ { "contract_no": "R26TA02327828", "title_ko": "2026년 상당구 관내 과속방지턱 설치공사 연간단가 2차", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-19", "changed_date": null, "amount_total_krw": 59067000, "amount_this_krw": 59067000, "amount_krw": 59067000, "buyer_ko": "충청북도 청주시 상당구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02327828&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02286802", "title_ko": "공북1리 도로확포장공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-06", "changed_date": null, "amount_total_krw": 27011000, "amount_this_krw": 27011000, "amount_krw": 27011000, "buyer_ko": "충청북도 청주시 흥덕구 오송읍", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02286802&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02161818", "title_ko": "2026년 하반기 서원구 지붕형 승강장 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-08-25", "changed_date": "2026-09-10", "amount_total_krw": 40275000, "amount_this_krw": 40275000, "amount_krw": 40275000, "buyer_ko": "충청북도 청주시 서원구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02161818&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02122083", "title_ko": "2026년 자전거이용시설 유지보수 단가계약공사(2차)", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-08-07", "changed_date": null, "amount_total_krw": 80000000, "amount_this_krw": 80000000, "amount_krw": 80000000, "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=R26TA02122083&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02033466", "title_ko": "국도5호선 제천 명지동 등 2개소 도로비탈면 정비공사(2차)", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-07-06", "changed_date": "2026-10-01", "amount_total_krw": 277870000, "amount_this_krw": 177870000, "amount_krw": 177870000, "buyer_ko": "국토교통부 대전지방국토관리청 충주국토관리사무소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02033466&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01968281", "title_ko": "복대동 3158번지 일원 보도정비공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-06-16", "changed_date": "2026-08-26", "amount_total_krw": 31549100, "amount_this_krw": 31549100, "amount_krw": 31549100, "buyer_ko": "충청북도 청주시 흥덕구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01968281&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01814017", "title_ko": "교통영향평가 교통개선 시설물 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-05-04", "changed_date": "2026-07-08", "amount_total_krw": 36351000, "amount_this_krw": 36351000, "amount_krw": 36351000, "buyer_ko": "충청북도 농업기술원", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01814017&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01787998", "title_ko": "척북1리 아스콘덧씌우기공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-23", "changed_date": "2026-06-11", "amount_total_krw": 12300000, "amount_this_krw": 12300000, "amount_krw": 12300000, "buyer_ko": "충청북도 청주시 서원구 남이면", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01787998&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01768985", "title_ko": "사동2리 마을안길 정비공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-20", "changed_date": "2026-05-28", "amount_total_krw": 10350000, "amount_this_krw": 10350000, "amount_krw": 10350000, "buyer_ko": "충청북도 청주시 서원구 남이면", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01768985&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01768904", "title_ko": "가좌2리 마을안길 정비공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-20", "changed_date": "2026-05-28", "amount_total_krw": 11820000, "amount_this_krw": 11820000, "amount_krw": 11820000, "buyer_ko": "충청북도 청주시 서원구 남이면", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01768904&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01673045", "title_ko": "청원구 공항로 등 4개 노선 차선도색공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-03-27", "changed_date": "2026-07-14", "amount_total_krw": 349791000, "amount_this_krw": 349791000, "amount_krw": 349791000, "buyer_ko": "충청북도 청주시", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01673045&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01406587", "title_ko": "2026년 서원구 관내 주정차금지 (보조)표지판 정비공사(단가계약)", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-02-02", "changed_date": null, "amount_total_krw": 15000000, "amount_this_krw": 15000000, "amount_krw": 15000000, "buyer_ko": "충청북도 청주시 서원구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01406587&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01387347", "title_ko": "2026년 청원구 관내 주정차금지(보조)표지판 정비공사 단가계약", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-01-27", "changed_date": "2026-09-21", "amount_total_krw": 14679460, "amount_this_krw": 14679460, "amount_krw": 14679460, "buyer_ko": "충청북도 청주시 청원구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01387347&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01260491", "title_ko": "급경사지 붕괴위험지구(길탕3) 정비사업", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-23", "changed_date": "2026-09-09", "amount_total_krw": 1393423000, "amount_this_krw": 1393423000, "amount_krw": 1393423000, "buyer_ko": "충청북도 보은군", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01260491&ctrtChgOrd=03&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01158922", "title_ko": "국도5호선 제천 명지동 등 2개소 도로비탈면 정비공사(1차)", "category": "construction", "contract_type": "multi_year", "signed_date": "2025-12-03", "changed_date": "2026-06-25", "amount_total_krw": 273593000, "amount_this_krw": 100000000, "amount_krw": 100000000, "buyer_ko": "국토교통부 대전지방국토관리청 충주국토관리사무소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01158922&ctrtChgOrd=02&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." }