국민토건 주식회사 / dangjinsi

Also known as 국민토건
국민토건 주식회사 (dangjinsi) is a Korea-based business registered at 충청남도 당진시 아미로 (Postal code: 31786). It operates as a head office of a for-profit corporation. It was originally registered with the Yeongwol Tax Office and incorporated at the Chuncheon District Court, Jeongseon Registry. 국민토건 주식회사 (dangjinsi) falls under the Construction industry. It operates within the Civil Engineering & Infrastructure sector, specifically focusing on Other civil engineering facility construction industry business activities. It has 5–9 employees. According to KOBDi Industry Ranking system, 국민토건 주식회사 (dangjinsi) scored 49.16 points (up 1.91 points since August 2026) and outperforms approximately 62% of companies in the same industry. Recent performance indicators include: Employee growth: -24.71% (industry average: -5.31%).
국민토건 주식회사는 충청남도 당진시에 있는 기타 토목 시설물 건설업 기업입니다.
225-**-*190* 1449**-0000***

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충청남도 당진시 아미로 (31786)
Head office of a for-profit corporation
Construction > Civil Engineering & Infrastructure > Other civil engineering facility construction industry
September 2026
-24.71%
2025-2026
49.16
▲ 1.91 pts (vs. August 2026)
Top 38%
September 2026

dangjinsi's KOBDi Score is 49.16 as of Sep 2026, down 2.84 points since Apr 2025; it rose in 4 and fell in 4 of the 12 monthly updates. As of Sep 2026 it is ahead of about 62% of companies in its industry, against 56% in Aug 2026 and 66% in Apr 2025. Its strongest position was 67% (Jul 2025) and its weakest 45% (Apr 2026).

A year earlier, in Aug 2025, its score was 48.84 and it was ahead of about 58% of companies in its industry.

Sep 202649.16ahead of 62%
Aug 202647.25ahead of 56%
Jul 202650.78ahead of 66%
Jun 202647.15ahead of 54%
May 202647.15ahead of 54%
Apr 202644.80ahead of 45%
Mar 202648.85ahead of 60%
Feb 202650.57ahead of 65%
Dec 202550.57ahead of 64%
Aug 202548.84ahead of 58%
Jul 202552.00ahead of 67%
May 202552.00ahead of 66%
Apr 202552.00ahead of 66%

Between 2025 and 2026, the headcount of dangjinsi changed by -24.71%, against an average of -5.31% in its industry. It now has 5–9 employees.

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삼일이엔지주식회사
SAMILENG CO.,LTD		 5–9 Top 38%
(주)두창건설
doochang		 5–9 Top 38%
빌드원건설 5–9 Top 38%
제이엘종합건설(주)
JL		 5–9 Top 38%
신유종합건설(주) 5–9 Top 38%















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충청남도 당진시 아미로 (31786)
Where is dangjinsi located?

dangjinsi is registered at 충청남도 당진시 아미로, South Korea (postal code 31786).

What industry is dangjinsi in?

dangjinsi belongs to Construction › Civil Engineering & Infrastructure › Other civil engineering facility construction industry.

How many employees does dangjinsi have?

dangjinsi has 5–9 employees.

What is dangjinsi's KOBDi Score?

49.16 as of September 2026, ahead of about 62% of companies in its industry.

Who are dangjinsi's competitors?

Similar companies include SAMILENG, doochang and 빌드원건설.

Which businesses are near dangjinsi?

Businesses registered at the same postal code (31786) include WON, 지에스25 당진아미로점 and 당진아크릴기획. Most work in Korean general restaurant business, construction equipment operation and coffee shop.

Businesses near dangjinsi

Registered at postal code 31786 (아미로, 당진시). Most businesses here work in Korean general restaurant business, construction equipment operation and coffee shop.

Other other civil engineering facility construction industry companies in 당진시

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