{ "module": "kr-suppliers", "itemId": "4088159062", "title": "제이지건설 주식회사", "summary": "Public procurement supplier (4088159062): 3 contracts, KRW 6,696,235,817.", "data": { "kind": "supplier", "business_registration_no": "4088159062", "corp_code": null, "name_en": null, "name_ko": "제이지건설 주식회사", "established_date": "2003-07-24", "address": "충청북도 청주시 서원구 남이면 2순환로 1652-11, 2층", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 6, "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": 3, "joint_contract_count": 1, "total_amount_krw": 6696235817, "by_category": { "goods": { "contract_count": 1, "amount_krw": 163000000 }, "construction": { "contract_count": 2, "amount_krw": 6533235817 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 1, "amount_total_krw": 0, "amount_this_krw": 163000000, "share_amount_krw": 163000000 }, "unit_price": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 }, "multi_year": { "contract_count": 2, "amount_total_krw": 12133260210, "amount_this_krw": 12133260210, "share_amount_krw": 6533235817 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "5710000", "buyer_ko": "충청북도 청주시", "contract_count": 1, "amount_krw": 5828596817 }, { "buyer_code": "4390000", "buyer_ko": "충청북도 충주시", "contract_count": 2, "amount_krw": 867639000 } ], "recent_contracts": [ { "contract_no": "R26TA01732470", "title_ko": "중앙탑신대소하천정비사업관급자재(합성형거더)구매(신대제1교)", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-04-09", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 163000000, "amount_krw": 163000000, "buyer_ko": "충청북도 충주시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01732470&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01294628", "title_ko": "서오창테크노밸리 진입도로 개설사업(토목)", "category": "construction", "contract_type": "multi_year", "signed_date": "2025-12-31", "changed_date": null, "amount_total_krw": 11428621210, "amount_this_krw": 11428621210, "amount_krw": 11428621210, "buyer_ko": "충청북도 청주시", "method_ko": "일반경쟁", "role": "주계약업체", "joint": true, "share_pct": 51, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01294628&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01295792", "title_ko": "신니문숭지구급경사지붕괴위험지역정비공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2025-12-30", "changed_date": "2026-10-15", "amount_total_krw": 704639000, "amount_this_krw": 704639000, "amount_krw": 704639000, "buyer_ko": "충청북도 충주시", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01295792&ctrtChgOrd=03&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." }