주식회사서연건설

Also known as 서연건설
주식회사서연건설 is a Korea-based business registered at 경기 오산시 오산대역로132번길 (Postal code: 18118). It operates as a head office of a for-profit corporation. 주식회사서연건설 falls under the Construction industry. It operates within the Equipment Installation & Maintenance sector, specifically focusing on Facility maintenance construction work business activities. It has 1–4 employees. According to KOBDi Industry Ranking system, 주식회사서연건설 scored 37.69 points and outperforms approximately 21% of companies in the same industry. Recent performance indicators include: Employee growth: -49.25% (industry average: -1.52%).
주식회사서연건설은 경기 오산시에 있는 시설물 유지관리 공사업 기업입니다.
884-**-*224*

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경기 오산시 오산대역로132번길 (18118)
Head office of a for-profit corporation
Construction > Equipment Installation & Maintenance > Facility maintenance construction work
August 2026
-49.25%
2025-2026
37.69
- (vs. August 2026)
Top 79%
September 2026

주식회사서연건설's KOBDi Score is 37.69 as of Sep 2026, down 12.11 points since Apr 2025; it rose in 2 and fell in 4 of the 12 monthly updates. As of Sep 2026 it is ahead of about 21% of companies in its industry, against 21% in Aug 2026 and 75% in Apr 2025. Its strongest position was 78% (Jul 2025) and its weakest 21% (Sep 2026).

A year earlier, in Aug 2025, its score was 46.56 and it was ahead of about 65% of companies in its industry.

Sep 202637.69ahead of 21%
Aug 202637.69ahead of 21%
Jul 202640.55ahead of 32%
Jun 202642.79ahead of 49%
May 202642.79ahead of 49%
Apr 202642.79ahead of 49%
Mar 202642.79ahead of 49%
Feb 202640.49ahead of 31%
Dec 202546.56ahead of 66%
Aug 202546.56ahead of 65%
Jul 202550.85ahead of 78%
May 202549.80ahead of 76%
Apr 202549.80ahead of 75%

Between 2025 and 2026, the headcount of 주식회사서연건설 changed by -49.25%, against an average of -1.52% in its industry. It now has 1–4 employees.

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주식회사가인유디 1–4 Top 80%
(주)지산건설 1–4 Top 80%
(주)이노에스엠
INNOSM CO LTD		 1–4 Top 80%
(주)송현건설 1–4 Top 80%
코리아건설(주)
korea		 1–4 Top 79%















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경기 오산시 오산대역로132번길 (18118)
Where is 주식회사서연건설 located?

주식회사서연건설 is registered at 경기 오산시 오산대역로132번길, South Korea (postal code 18118).

What industry is 주식회사서연건설 in?

주식회사서연건설 belongs to Construction › Equipment Installation & Maintenance › Facility maintenance construction work.

How many employees does 주식회사서연건설 have?

주식회사서연건설 has 1–4 employees.

What is 주식회사서연건설's KOBDi Score?

37.69 as of September 2026, ahead of about 21% of companies in its industry.

Who are 주식회사서연건설's competitors?

Similar companies include 가인유디, 지산건설 and INNOSM.

Which businesses are near 주식회사서연건설?

Businesses registered at the same postal code (18118) include HYUNMOK ENGINIARING, 제이 앤 제이 and 가온푸드. Most work in Korean general restaurant business, chain convenience store and temporary and daily labor supply industry.

Businesses near 주식회사서연건설

Registered at postal code 18118 (오산대역로132번길, 오산시). Most businesses here work in Korean general restaurant business, chain convenience store and temporary and daily labor supply industry.

Other facility maintenance construction work companies in 오산시

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