Machine-readable JSON: https://agents.comepass.xyz/api/v1/kr-suppliers/8428800722

제이원종합건설 주식회사 (제이원종합건설 주식회사)

Business Registration No.: 8428800722 | Unlisted Corporate Supplier

English Name (KONEPS / DART)N/A
Korean Legal Name제이원종합건설 주식회사
Business Registration No.8428800722
Established Date2019-07-01
Region인천광역시 남동구
Address (KO)인천광역시 남동구 소래역남로16번길 8-7, 4층 417호(논현동, 소래시티프라자)
HomepageN/A
Manufacturer Classificationsupplier (공급)
Reported Employees9 (Self-reported employee count at Korea ON-Line E-Procurement System (KONEPS) registration; may differ from National Pension Service (L1) subscriber counts.)
source_urlhttps://www.g2b.go.kr
verified_at2026-11-02T04:36:11.608Z

Public procurement (last 12 months)

Contracts first signed in the last 12 months.

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.

Aggregation Period2025-11-01 to 2026-10-31 (basis: original_signed_date)
12-Month Procurement AmountKRW 5,503,438,370
12-Month Contract Count5 (Joint contracts: 0)
Unit-Price (Framework) Contracts (Reported Separately)0 contracts | Ceiling: KRW 0
Procurement Sourcehttps://www.g2b.go.kr (verified: 2026-11-02T04:36:11.608Z)

By Procurement Category

CategoryContracts12M Counted Amount (KRW)
Goods (물품)1KRW 312,978,000
Construction (공사)1KRW 4,952,827,880
Services (용역)3KRW 237,632,490
Foreign Procurement (외자)0KRW 0

By Contract Type

Contract TypeContractsSupplier Share / Current Amount (KRW)Total Contract Ceiling / Multi-year Total (KRW)
Lump-sum / Standard (총액·일반)4KRW 550,610,490KRW 237,632,490
Multi-year / Continuing (장기·계속비)1KRW 4,952,827,880KRW 4,952,827,880
Unit-price / Framework Ceiling (단가·제3자단가 — excluded from 12M total)0KRW 0KRW 0
Unclassified / Zero-amount (기타)0KRW 0KRW 0

Top 5 Government Buyers

Buyer (Korean Legal Name)Agency CodeContracts12M Amount (KRW)
인천광역시 옹진군35800001KRW 4,952,827,880
인천광역시교육청 인천광역시서부교육지원청73610001KRW 312,978,000
인천광역시교육청 인천광역시강화교육지원청73510001KRW 85,145,000
인천광역시교육청 인천광역시동부교육지원청73410001KRW 82,311,070
인천광역시교육청 인천광역시북부교육지원청73310001KRW 70,176,420

Recent Contracts (up to 5)

Signed DateContract No. (KONEPS)Contract Title (KO)Category / TypeBuyer (KO)Contract Amount (KRW)Participation
2026-08-31 R26TA02182973 2026년 하반기 논현유치원 등 30교(43동) 제3종 시설물 정기안전점검 용역 services / lump_sum 인천광역시교육청 인천광역시동부교육지원청 KRW 82,311,070 Sole (100%)
2026-04-14 (chg: 2026-06-12) R26TA01737245 2026년 강화초 등 7교 노후건축물 정밀안전점검 용역 services / lump_sum 인천광역시교육청 인천광역시강화교육지원청 KRW 85,145,000 Sole (100%)
2026-03-04 R26TA01571072 2026년 상반기 제3종시설물 정기안전점검 용역(갈산중 외 27교 36동) services / lump_sum 인천광역시교육청 인천광역시북부교육지원청 KRW 70,176,420 Sole (100%)
2026-01-22 (chg: 2026-10-13) R26TA01373162 덕적면 국민체육센터 건립공사(계속비) construction / multi_year 인천광역시 옹진군 KRW 4,952,827,880 Sole (100%)
2025-12-26 (chg: 2026-03-23) R25TA01257750 [긴급] 인천신현북초 냉난방개선 및 공기순환기 설치공사 냉난방기(EHP) 구매 goods / lump_sum 인천광역시교육청 인천광역시서부교육지원청 KRW 312,978,000 Sole (100%)

Source & Disclaimer

source_url: https://www.g2b.go.kr | verified_at: 2026-11-02T04:36:11.608Z

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.