{ "module": "kr-suppliers", "itemId": "2088113302", "title": "S-1 CORPORATION ((주)에스원)", "summary": "Public procurement supplier (2088113302): 7362 contracts, KRW 73,657,515,915.", "data": { "kind": "supplier", "business_registration_no": "2088113302", "corp_code": "00158501", "name_en": "S-1 CORPORATION", "name_ko": "(주)에스원", "established_date": "1977-11-28", "address": "서울 중구 순화동 168 에스원빌딩 17층 총무팀", "homepage": "https://www.s1.co.kr/", "manufacturer_type": null, "employees_reported": null, "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": 7362, "joint_contract_count": 17, "total_amount_krw": 73657515915, "by_category": { "goods": { "contract_count": 200, "amount_krw": 8633375750 }, "construction": { "contract_count": 935, "amount_krw": 6852711160 }, "services": { "contract_count": 6227, "amount_krw": 58171429005 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 6935, "amount_total_krw": 44790458902, "amount_this_krw": 51514765192, "share_amount_krw": 51514765192 }, "unit_price": { "contract_count": 283, "amount_total_krw": 1891780660, "amount_this_krw": 1881476860, "share_amount_krw": 1881476860 }, "multi_year": { "contract_count": 144, "amount_total_krw": 101996145316, "amount_this_krw": 31323979730, "share_amount_krw": 22142750723 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "1192365", "buyer_ko": "해양수산부 평택지방해양수산청", "contract_count": 1, "amount_krw": 4090900000 }, { "buyer_code": "7000830", "buyer_ko": "전남대학교", "contract_count": 5, "amount_krw": 2695763000 }, { "buyer_code": "B551178", "buyer_ko": "한국공항공사", "contract_count": 1, "amount_krw": 2302080000 }, { "buyer_code": "7000463", "buyer_ko": "부산대학교", "contract_count": 1, "amount_krw": 1919610000 }, { "buyer_code": "7000126", "buyer_ko": "경북대학교", "contract_count": 1, "amount_krw": 1205701713 } ], "recent_contracts": [ { "contract_no": "R26TA02369185", "title_ko": "한국체육대학교 골프장 출입게이트 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-30", "changed_date": null, "amount_total_krw": 19100000, "amount_this_krw": 19100000, "amount_krw": 19100000, "buyer_ko": "한국체육대학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02369185&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02355393", "title_ko": "저화소 노후기기 교체 및 복도·계단 추가설치를 위한 CCTV 구매", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-10-30", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 11700000, "amount_krw": 11700000, "buyer_ko": "경기도이천교육청 송곡초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02355393&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02353514", "title_ko": "2026년 창영초 영상정보처리기기(CCTV) 설치 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-30", "changed_date": null, "amount_total_krw": 20800000, "amount_this_krw": 20800000, "amount_krw": 20800000, "buyer_ko": "경기도부천교육청 창영초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02353514&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02343103", "title_ko": "국립재난안전연구원 실험동 주차관제설비 교체 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-30", "changed_date": null, "amount_total_krw": 15675000, "amount_this_krw": 15675000, "amount_krw": 15675000, "buyer_ko": "행정안전부 국립재난안전연구원", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02343103&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02291646", "title_ko": "2026학년도 신지초 석면 해체·제거 공사 세콤장비 철거 및 재설치 용역 계약", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-30", "changed_date": null, "amount_total_krw": 4290000, "amount_this_krw": 4290000, "amount_krw": 4290000, "buyer_ko": "경기도교육청 경기도동두천교육청 신지초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02291646&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02370780", "title_ko": "중앙현관 출입문 리더기 이동 및 교무실 비디오폰 추가 설치", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-29", "changed_date": null, "amount_total_krw": 350000, "amount_this_krw": 350000, "amount_krw": 350000, "buyer_ko": "경기도교육청 경기도평택교육지원청 율포초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02370780&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02368627", "title_ko": "국립금오공과대학교 통합경비시스템 용역(장기3차)", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-29", "changed_date": null, "amount_total_krw": 93290980, "amount_this_krw": 93290980, "amount_krw": 93290980, "buyer_ko": "국립금오공과대학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02368627&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02367059", "title_ko": "부인중 저화소 및 노후화 CCTV 교체 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-29", "changed_date": null, "amount_total_krw": 8173000, "amount_this_krw": 8173000, "amount_krw": 8173000, "buyer_ko": "경기도부천교육청 부인중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02367059&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02364442", "title_ko": "2027년 이동노동자 쉼터 무인경비 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-29", "changed_date": null, "amount_total_krw": 5292000, "amount_this_krw": 5292000, "amount_krw": 5292000, "buyer_ko": "강원특별자치도 원주시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02364442&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02360636", "title_ko": "출입통제 및 물리보안·침수예방 시스템 연간 유지관리(이용) 계약", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-29", "changed_date": null, "amount_total_krw": 6720000, "amount_this_krw": 6720000, "amount_krw": 6720000, "buyer_ko": "경기도김포교육청 통진초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02360636&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02360532", "title_ko": "호산고등학교 CCTV추가설치 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-29", "changed_date": null, "amount_total_krw": 6000000, "amount_this_krw": 6000000, "amount_krw": 6000000, "buyer_ko": "대구광역시교육청 호산고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02360532&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02351281", "title_ko": "군포화산초 무인전자경비교 구축을 위한 통신공사 및 CCTV 설치 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-29", "changed_date": null, "amount_total_krw": 18230000, "amount_this_krw": 18230000, "amount_krw": 18230000, "buyer_ko": "경기도군포교육청 군포화산초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02351281&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02329271", "title_ko": "대구하이텍고등학교 CCTV 설치 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-29", "changed_date": null, "amount_total_krw": 17000000, "amount_this_krw": 17000000, "amount_krw": 17000000, "buyer_ko": "대구광역시교육청 대구하이텍고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02329271&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02346325", "title_ko": "무인당직경비 시설구축관련 출입관리 및 건물관제시스템 구축 공사 실시", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-28", "changed_date": null, "amount_total_krw": 12369500, "amount_this_krw": 12369500, "amount_krw": 12369500, "buyer_ko": "경기도고양교육청 덕은초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02346325&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02310907", "title_ko": "2026년 도당중 고화소 영상정보처리기기(CCTV) 추가 설치 계약", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-28", "changed_date": null, "amount_total_krw": 4172000, "amount_this_krw": 4172000, "amount_krw": 4172000, "buyer_ko": "경기도교육청 경기도부천교육지원청 도당중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02310907&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02296589", "title_ko": "일산은행초 2026학년도 석면제거 공사에 따른 무인경비 시스템 철거 및 복구", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-28", "changed_date": null, "amount_total_krw": 1965000, "amount_this_krw": 1965000, "amount_krw": 1965000, "buyer_ko": "경기도교육청 경기도고양교육지원청 일산은행초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02296589&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02364606", "title_ko": "오전초 노후화CCTV 교체 및 추가설치 계약", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-27", "changed_date": null, "amount_total_krw": 21110000, "amount_this_krw": 21110000, "amount_krw": 21110000, "buyer_ko": "경기도교육청 경기도군포의왕교육지원청 오전초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02364606&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02359926", "title_ko": "2026학년도 호평초등학교 석면해체·체거 공사 관련 무인경비 감지기 철거 및 재부착", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-27", "changed_date": null, "amount_total_krw": 2376000, "amount_this_krw": 2376000, "amount_krw": 2376000, "buyer_ko": "경기도교육청 경기도구리남양주교육지원청 호평초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02359926&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02356338", "title_ko": "세콤 건물관제시스템 용역비(2026.10.30~2027.02.28)지급", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-27", "changed_date": null, "amount_total_krw": 1788600, "amount_this_krw": 1788600, "amount_krw": 1788600, "buyer_ko": "경기도고양교육청 덕은초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02356338&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02354210", "title_ko": "천안신용초등학교 영상정보처리장치(CCTV) 렌탈 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-27", "changed_date": null, "amount_total_krw": 4576000, "amount_this_krw": 4576000, "amount_krw": 4576000, "buyer_ko": "충청남도천안교육청 천안신용초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02354210&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&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." }