{ "module": "kr-suppliers", "itemId": "1058131452", "title": "JIHAK CO.LTD (주식회사 지학사)", "summary": "Public procurement supplier (1058131452): 4 contracts, KRW 13,731,309,410.", "data": { "kind": "supplier", "business_registration_no": "1058131452", "corp_code": null, "name_en": "JIHAK CO.LTD", "name_ko": "주식회사 지학사", "established_date": "1984-11-13", "address": "서울특별시 마포구 신촌로6길 5 (동교동)", "homepage": "https://www.jihak.co,kr/", "manufacturer_type": { "code": "manufacturer", "raw_ko": "제조" }, "employees_reported": 179, "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": 4, "joint_contract_count": 1, "total_amount_krw": 13731309410, "by_category": { "goods": { "contract_count": 1, "amount_krw": 13730438610 }, "construction": { "contract_count": 0, "amount_krw": 0 }, "services": { "contract_count": 3, "amount_krw": 870800 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 2, "amount_total_krw": 870800, "amount_this_krw": 870800, "share_amount_krw": 870800 }, "unit_price": { "contract_count": 1, "amount_total_krw": 1000000000, "amount_this_krw": 1000000000, "share_amount_krw": 1000000000 }, "multi_year": { "contract_count": 1, "amount_total_krw": 44054535960, "amount_this_krw": 15256042900, "share_amount_krw": 13730438610 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "1342000", "buyer_ko": "교육부", "contract_count": 1, "amount_krw": 13730438610 }, { "buyer_code": "7140432", "buyer_ko": "전남광주통합특별시교육청 전남청사", "contract_count": 1, "amount_krw": 750000 }, { "buyer_code": "8321000", "buyer_ko": "전북특별자치도교육청", "contract_count": 1, "amount_krw": 120800 }, { "buyer_code": "ZZ99999", "buyer_ko": "각 수요기관", "contract_count": 1, "amount_krw": 0 } ], "recent_contracts": [ { "contract_no": "R26TA02102387", "title_ko": "디지털서비스_지학사, (주)지학사 AIDT교육자료 for 아이헤이트플라잉버그스", "category": "services", "contract_type": "unit_price", "signed_date": "2026-08-10", "changed_date": null, "amount_total_krw": 1000000000, "amount_this_krw": 1000000000, "amount_krw": 1000000000, "buyer_ko": "각 수요기관", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02102387&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01220306", "title_ko": "2025년 2학기 AI디지털교육자료 구독료 및 클라우드사용료 지급(지학사)", "category": "services", "contract_type": "lump_sum", "signed_date": "2025-12-17", "changed_date": null, "amount_total_krw": 120800, "amount_this_krw": 120800, "amount_krw": 120800, "buyer_ko": "전북특별자치도교육청", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01220306&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01218457", "title_ko": "2023~2025학년도국정도서발행자선정(장기3차)-002230728(통합, 지학사 등)", "category": "goods", "contract_type": "multi_year", "signed_date": "2025-12-17", "changed_date": null, "amount_total_krw": 44054535960, "amount_this_krw": 15256042900, "amount_krw": 15256042900, "buyer_ko": "교육부", "method_ko": "제한경쟁", "role": "주계약업체", "joint": true, "share_pct": 90, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01218457&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01096677", "title_ko": "2025학년도 연간단위 AI디지털교과서(지학사) 이용 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2025-11-18", "changed_date": null, "amount_total_krw": 750000, "amount_this_krw": 750000, "amount_krw": 750000, "buyer_ko": "전남광주통합특별시교육청 전남청사", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01096677&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." }