{ "module": "kr-suppliers", "itemId": "3118125292", "title": "C-1 SYSTEM (주식회사 시원시스템)", "summary": "Public procurement supplier (3118125292): 25 contracts, KRW 2,762,879,350.", "data": { "kind": "supplier", "business_registration_no": "3118125292", "corp_code": null, "name_en": "C-1 SYSTEM", "name_ko": "주식회사 시원시스템", "established_date": "2007-01-17", "address": "충청남도 당진시 당진중앙2로 211-5 (읍내동) 효명프라자 501호", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 50, "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": 25, "joint_contract_count": 1, "total_amount_krw": 2762879350, "by_category": { "goods": { "contract_count": 0, "amount_krw": 0 }, "construction": { "contract_count": 0, "amount_krw": 0 }, "services": { "contract_count": 25, "amount_krw": 2762879350 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 23, "amount_total_krw": 2398771630, "amount_this_krw": 2398771630, "share_amount_krw": 2241976230 }, "unit_price": { "contract_count": 1, "amount_total_krw": 8470000, "amount_this_krw": 8470000, "share_amount_krw": 8470000 }, "multi_year": { "contract_count": 1, "amount_total_krw": 1020980360, "amount_this_krw": 520903120, "share_amount_krw": 520903120 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "B553747", "buyer_ko": "전통건축수리기술진흥재단", "contract_count": 1, "amount_krw": 521524680 }, { "buyer_code": "B552118", "buyer_ko": "한국여성정책연구원", "contract_count": 1, "amount_krw": 520903120 }, { "buyer_code": "4490000", "buyer_ko": "충청남도 천안시", "contract_count": 3, "amount_krw": 391209380 }, { "buyer_code": "B553924", "buyer_ko": "천안아산상생협력센터관리조합", "contract_count": 1, "amount_krw": 273701400 }, { "buyer_code": "4520285", "buyer_ko": "충청남도 아산시 평생학습문화센터", "contract_count": 1, "amount_krw": 248124170 } ], "recent_contracts": [ { "contract_no": "R26TA02226940", "title_ko": "2026년 수청중학교 기계설비 성능점검 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-09-15", "changed_date": null, "amount_total_krw": 3460000, "amount_this_krw": 3460000, "amount_krw": 3460000, "buyer_ko": "충청남도교육청 충청남도당진교육지원청 수청중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02226940&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02229212", "title_ko": "2026년 기계설비 성능점검 용역계약", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-09-14", "changed_date": null, "amount_total_krw": 3090000, "amount_this_krw": 3090000, "amount_krw": 3090000, "buyer_ko": "충청남도교육청 충청남도당진교육지원청 대덕초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02229212&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02167208", "title_ko": "2026학년도 수청초등학교 기계설비 성능점검 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-08-26", "changed_date": null, "amount_total_krw": 3460000, "amount_this_krw": 3460000, "amount_krw": 3460000, "buyer_ko": "충청남도교육청 충청남도당진교육지원청 수청초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02167208&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02037003", "title_ko": "종합복지타운 건물 외벽 청소", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-07-08", "changed_date": "2026-08-25", "amount_total_krw": 14740000, "amount_this_krw": 14740000, "amount_krw": 14740000, "buyer_ko": "당진도시공사", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02037003&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01936551", "title_ko": "아산 다가치교육센터 시설물종합관리 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-06-15", "changed_date": "2026-07-10", "amount_total_krw": 248124170, "amount_this_krw": 248124170, "amount_krw": 248124170, "buyer_ko": "충청남도 아산시 평생학습문화센터", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01936551&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01960671", "title_ko": "2026년 배수펌프장 시설관리대행용역(동남구 읍면지역)", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-06-12", "changed_date": null, "amount_total_krw": 55363260, "amount_this_krw": 55363260, "amount_krw": 55363260, "buyer_ko": "충청남도 천안시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01960671&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01872419", "title_ko": "2026년 창소배수펌프장 전기안전 및 운영관리 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-05-18", "changed_date": "2026-10-08", "amount_total_krw": 33888700, "amount_this_krw": 33888700, "amount_krw": 33888700, "buyer_ko": "충청남도 예산군", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01872419&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01752345", "title_ko": "예산고등학교 기계설비 유지관리업무 및 위탁선임 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-04-14", "changed_date": null, "amount_total_krw": 8470000, "amount_this_krw": 8470000, "amount_krw": 8470000, "buyer_ko": "충청남도교육청 예산고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01752345&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01724426", "title_ko": "호서고 기계설비유지관리자 위탁계약", "category": "services", "contract_type": "unit_price", "signed_date": "2026-04-01", "changed_date": null, "amount_total_krw": 8470000, "amount_this_krw": 8470000, "amount_krw": 8470000, "buyer_ko": "충청남도교육청 호서고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01724426&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01512911", "title_ko": "2026학년도 수청초등학교 기계설비 유지관리자 위탁선임 및 유지관리 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-02-25", "changed_date": null, "amount_total_krw": 9240000, "amount_this_krw": 9240000, "amount_krw": 9240000, "buyer_ko": "충청남도교육청 충청남도당진교육지원청 수청초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01512911&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01472021", "title_ko": "2026학년도 서비스용역 계약(기계설비 유지관리 용역)", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-02-24", "changed_date": null, "amount_total_krw": 9240000, "amount_this_krw": 9240000, "amount_krw": 9240000, "buyer_ko": "충청남도교육청 충청남도당진교육지원청 대덕초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01472021&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01473233", "title_ko": "2026학년도 탑동초 기계설비 유지관리 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-02-23", "changed_date": null, "amount_total_krw": 9240000, "amount_this_krw": 9240000, "amount_krw": 9240000, "buyer_ko": "충청남도당진교육청 탑동초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01473233&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01398449", "title_ko": "2026학년도 혜성초등학교 기계설비 유지관리 위탁 용역 계약", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-02-12", "changed_date": null, "amount_total_krw": 9240000, "amount_this_krw": 9240000, "amount_krw": 9240000, "buyer_ko": "충청남도교육청 충청남도당진교육지원청 혜성초등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01398449&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01399425", "title_ko": "2026학년도 기계설비 유지관리 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-02-09", "changed_date": null, "amount_total_krw": 9240000, "amount_this_krw": 9240000, "amount_krw": 9240000, "buyer_ko": "충청남도교육청 충청남도당진교육지원청 수청중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01399425&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01446855", "title_ko": "일봉중앙 배수펌프장#2 전기안전관리(상주)용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-02-06", "changed_date": null, "amount_total_krw": 62146370, "amount_this_krw": 62146370, "amount_krw": 62146370, "buyer_ko": "충청남도 천안시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01446855&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01369652", "title_ko": "2026년 석문국가산단 배수펌프장, 배수갑문 전기안전관리 및 운영용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-01-21", "changed_date": null, "amount_total_krw": 106404630, "amount_this_krw": 106404630, "amount_krw": 106404630, "buyer_ko": "충청남도 당진시", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01369652&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01326158", "title_ko": "한국여성정책연구원 청사관리용역(시설)(2026년)(장기계속2차)", "category": "services", "contract_type": "multi_year", "signed_date": "2026-01-19", "changed_date": null, "amount_total_krw": 1020980360, "amount_this_krw": 520903120, "amount_krw": 520903120, "buyer_ko": "한국여성정책연구원", "method_ko": "일반경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01326158&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01329752", "title_ko": "2026년 충청남도교육청 소독(방역) 용역 계약", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-01-01", "changed_date": null, "amount_total_krw": 5940000, "amount_this_krw": 5940000, "amount_krw": 5940000, "buyer_ko": "충청남도교육청", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01329752&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01270764", "title_ko": "2026년도 전통건축부재보존센터 시설관리 및 청사관리 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2025-12-29", "changed_date": "2026-01-06", "amount_total_krw": 521524680, "amount_this_krw": 521524680, "amount_krw": 521524680, "buyer_ko": "전통건축수리기술진흥재단", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01270764&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01257521", "title_ko": "2026년 천안아산상생협력센터 시설관리(기계·전기·미화) 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2025-12-29", "changed_date": null, "amount_total_krw": 273701400, "amount_this_krw": 273701400, "amount_krw": 273701400, "buyer_ko": "천안아산상생협력센터관리조합", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01257521&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." }