에스이에프(SEF)

에스이에프(SEF) is a Korea-based business registered at 충남 서산시 음암면 음암로 (Postal code: 31942). It operates as an individual business. It was originally registered with the Gangseo Tax Office. 에스이에프(SEF) falls under the Manufacturing industry. It operates within the General Purpose Machinery sector, specifically focusing on General scale manufacturing business activities. It has 1–4 employees. According to KOBDi Industry Ranking system, 에스이에프(SEF) scored 10.98 points (up 0.16 points since August 2026) and is in the lower 10% of companies in the same industry.
에스이에프(SEF)는 충남 서산시 음암면에 있는 기업입니다.
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충남 서산시 음암면 음암로 (31942)
Individual business
Manufacturing > General Purpose Machinery > General scale manufacturing
December 2023
10.98
▲ 0.16 pts (vs. August 2026)
Lower 10%
September 2026

에스이에프(SEF)'s KOBDi Score is 10.98 as of Sep 2026, up 0.32 points since Apr 2025; it rose in 2 of the 12 monthly updates and never fell. As of Sep 2026 it is in the lower 10% of its industry, against the lower 10% in Aug 2026 and the lower 10% in Apr 2025. Its strongest position was the lower 10% (Sep 2026) and its weakest the lower 10% (Jul 2025).

A year earlier, in Aug 2025, its score was 10.82 and it was in the lower 10% of its industry.

Sep 202610.98lower 10%
Aug 202610.82lower 10%
Jul 202610.82lower 10%
Jun 202610.82lower 10%
May 202610.82lower 10%
Apr 202610.82lower 10%
Mar 202610.82lower 10%
Feb 202610.82lower 10%
Dec 202510.82lower 10%
Aug 202510.82lower 10%
Jul 202510.66lower 10%
May 202510.66lower 10%
Apr 202510.66lower 10%

에스이에프(SEF) has 1–4 employees.

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주홍테크 1–4 Top 92%
대일정밀 1–4 Top 93%
건국중전기 1–4 Top 93%
에스테크(STECH) 1–4 Top 93%
모든자동화 1–4 Top 93%















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충남 서산시 음암면 음암로 (31942)
Where is 에스이에프(SEF) located?

에스이에프(SEF) is registered at 충남 서산시 음암면 음암로, South Korea (postal code 31942).

What industry is 에스이에프(SEF) in?

에스이에프(SEF) belongs to Manufacturing › General Purpose Machinery › General scale manufacturing.

How many employees does 에스이에프(SEF) have?

에스이에프(SEF) has 1–4 employees.

What is 에스이에프(SEF)'s KOBDi Score?

10.98 as of September 2026, in the lower 10% of its industry.

Who are 에스이에프(SEF)'s competitors?

Similar companies include 주홍테크, 대일정밀 and 건국중전기.

Which businesses are near 에스이에프(SEF)?

Businesses registered at the same postal code (31942) include 케이알코스모, 농업회사법인충서 and 충서물류9692. Most work in chain convenience store, individual freight transport industry and corrugated box and processed product manufacturing.

Businesses near 에스이에프(SEF)

Registered at postal code 31942 (음암로, 서산시). Most businesses here work in chain convenience store, individual freight transport industry and corrugated box and processed product manufacturing.

Other general scale manufacturing companies in 충남

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