{ "module": "kr-suppliers", "itemId": "3548600954", "title": "Sayeng Co., Ltd. (주식회사 세영)", "summary": "Public procurement supplier (3548600954): 15 contracts, KRW 2,828,234,985.", "data": { "kind": "supplier", "business_registration_no": "3548600954", "corp_code": null, "name_en": "Sayeng Co., Ltd.", "name_ko": "주식회사 세영", "established_date": "2018-01-05", "address": "인천광역시 검단구 이음1로 383 (원당동), 8층 801호", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 25, "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": 8, "total_amount_krw": 2828234985, "by_category": { "goods": { "contract_count": 2, "amount_krw": 430679150 }, "construction": { "contract_count": 2, "amount_krw": 687251950 }, "services": { "contract_count": 11, "amount_krw": 1710303885 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 10, "amount_total_krw": 925470290, "amount_this_krw": 8262470290, "share_amount_krw": 1161809275 }, "unit_price": { "contract_count": 1, "amount_total_krw": 1445916500, "amount_this_krw": 1445916500, "share_amount_krw": 867549900 }, "multi_year": { "contract_count": 4, "amount_total_krw": 4632620510, "amount_this_krw": 2596189710, "share_amount_krw": 1666425710 }, "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": 593574310 }, { "buyer_code": "1532016", "buyer_ko": "해양경찰청 서해지방해양경찰청", "contract_count": 1, "amount_krw": 575705400 }, { "buyer_code": "1613281", "buyer_ko": "국토교통부 부산지방국토관리청", "contract_count": 1, "amount_krw": 425346000 }, { "buyer_code": "7150000", "buyer_ko": "부산광역시교육청", "contract_count": 1, "amount_krw": 371250000 }, { "buyer_code": "C100208", "buyer_ko": "서울대학교 정보화본부", "contract_count": 1, "amount_krw": 369361485 } ], "recent_contracts": [ { "contract_no": "R26TA02350587", "title_ko": "경륜경정 방송전용회선망 기본설계 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-27", "changed_date": null, "amount_total_krw": 21780000, "amount_this_krw": 21780000, "amount_krw": 21780000, "buyer_ko": "서울올림픽기념국민체육진흥공단 경륜경정총괄본부", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02350587&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02347984", "title_ko": "지하도상가 운영관리시스템 구축 감리 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-23", "changed_date": null, "amount_total_krw": 18271000, "amount_this_krw": 18271000, "amount_krw": 18271000, "buyer_ko": "인천시설공단", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02347984&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02271803", "title_ko": "스마트빌리지 통합관리 서비스 확산 감리 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-09-30", "changed_date": null, "amount_total_krw": 21340000, "amount_this_krw": 21340000, "amount_krw": 21340000, "buyer_ko": "인천광역시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02271803&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01964180", "title_ko": "산단 커뮤니티 서비스 개발 감리(2026년 주안부평 통합관제센터 구축사업)", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-06-15", "changed_date": null, "amount_total_krw": 24000000, "amount_this_krw": 24000000, "amount_krw": 24000000, "buyer_ko": "인천스마트시티 주식회사", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01964180&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01950785", "title_ko": "(긴급)지능형 캠퍼스를 위한 차세대 네트워크망 설계용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-06-11", "changed_date": null, "amount_total_krw": 410401650, "amount_this_krw": 410401650, "amount_krw": 410401650, "buyer_ko": "서울대학교 정보화본부", "method_ko": "일반경쟁", "role": "주계약업체", "joint": true, "share_pct": 90, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01950785&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01874315", "title_ko": "(긴급)2026년 학교 무선통신장비 도입 및 설치", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-05-26", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 6187500000, "amount_krw": 6187500000, "buyer_ko": "부산광역시교육청", "method_ko": "일반경쟁", "role": "도급업체", "joint": true, "share_pct": 6, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01874315&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01668245", "title_ko": "인천 산업단지 복합문화센터 리모델링 공사(통신)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-03-25", "changed_date": "2026-10-15", "amount_total_krw": 93677640, "amount_this_krw": 93677640, "amount_krw": 93677640, "buyer_ko": "인천테크노파크", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01668245&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01603536", "title_ko": "2025년도 부산청 국도ITS 구축 책임감리용역(1권역)(2차)", "category": "services", "contract_type": "multi_year", "signed_date": "2026-03-11", "changed_date": null, "amount_total_krw": 1330410000, "amount_this_krw": 708910000, "amount_krw": 708910000, "buyer_ko": "국토교통부 부산지방국토관리청", "method_ko": "지명경쟁", "role": "주계약업체", "joint": true, "share_pct": 60, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01603536&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01414333", "title_ko": "광명시 지능형교통체계(ITS) 기본계획 수립 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-02-04", "changed_date": null, "amount_total_krw": 126000000, "amount_this_krw": 126000000, "amount_krw": 126000000, "buyer_ko": "경기도 광명시", "method_ko": "일반경쟁", "role": "주계약업체", "joint": true, "share_pct": 60, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01414333&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01358660", "title_ko": "2025년 충청남도교육청 학교 무선통신장비 도입 및 설치", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-01-23", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 1149500000, "amount_krw": 1149500000, "buyer_ko": "한국지능정보사회진흥원", "method_ko": "일반경쟁", "role": "도급업체", "joint": true, "share_pct": 5.17, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01358660&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01354707", "title_ko": "대전청 국도ITS 구축 책임감리 엔지니어링사업(2차)", "category": "services", "contract_type": "multi_year", "signed_date": "2026-01-16", "changed_date": "2026-08-05", "amount_total_krw": 1956830800, "amount_this_krw": 718000000, "amount_krw": 718000000, "buyer_ko": "국토교통부 대전지방국토관리청", "method_ko": "지명경쟁", "role": "도급업체", "joint": true, "share_pct": 10, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01354707&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01285722", "title_ko": "서해청 VTS 노후 레이더 개량 구매 설치 감리용역(장기2차)", "category": "services", "contract_type": "multi_year", "signed_date": "2025-12-31", "changed_date": null, "amount_total_krw": 751805400, "amount_this_krw": 575705400, "amount_krw": 575705400, "buyer_ko": "해양경찰청 서해지방해양경찰청", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01285722&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01276605", "title_ko": "2025년 1차 학교 유무선 네트워크 개선(장비) 감리 용역", "category": "services", "contract_type": "unit_price", "signed_date": "2025-12-29", "changed_date": null, "amount_total_krw": 1445916500, "amount_this_krw": 1445916500, "amount_krw": 1445916500, "buyer_ko": "경기도교육청", "method_ko": "지명경쟁", "role": "주계약업체", "joint": true, "share_pct": 60, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01276605&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01089784", "title_ko": "사천 스마트그린산단 통합관제센터 구축사업 실시설계 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2025-11-19", "changed_date": "2026-02-25", "amount_total_krw": 210000000, "amount_this_krw": 210000000, "amount_krw": 210000000, "buyer_ko": "한국화학융합시험연구원", "method_ko": "제한경쟁", "role": "주계약업체", "joint": true, "share_pct": 51, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01089784&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01078172", "title_ko": "인천부평동초 공간재구조화 증개축 및 거점형 늘봄센터 설치 정보통신공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2025-11-19", "changed_date": null, "amount_total_krw": 593574310, "amount_this_krw": 593574310, "amount_krw": 593574310, "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=R25TA01078172&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." }