주식회사세진테크 / SEJIN TECH CO.,LTD.

Also known as 세진테크 · SEJIN TECH
주식회사세진테크 (SEJIN TECH CO.,LTD.) is a Korea-based business registered at 경기 안산시 단원구 대쟁이길 (Postal code: 15210). It operates as a head office of a for-profit corporation. 주식회사세진테크 (SEJIN TECH CO.,LTD.) falls under the Construction industry. It operates within the Specialty Infrastructure Works sector, specifically focusing on Underwater construction business activities. It has 5–9 employees. According to KOBDi Industry Ranking system, 주식회사세진테크 (SEJIN TECH CO.,LTD.) scored 98.40 points (up 0.15 points since August 2026) and outperforms approximately 94% of companies in the same industry. Recent performance indicators include: Employee growth: 6.67%.
주식회사세진테크는 경기 안산시 단원구에 있는 수중 공사업 기업입니다.
243-**-*114* 1314**-0419***

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경기 안산시 단원구 대쟁이길 (15210)
Head office of a for-profit corporation
Construction > Specialty Infrastructure Works > Underwater construction
September 2026
6.67%
2025-2026
5.14%
98.40
▲ 0.15 pts (vs. August 2026)
Top 6%
September 2026

SEJIN TECH CO.,LTD.'s KOBDi Score is 98.40 as of Sep 2026, up 24.38 points since Apr 2025; it rose in 4 of the 12 monthly updates and never fell. As of Sep 2026 it is ahead of about 94% of companies in its industry, against 94% in Aug 2026 and 86% in Apr 2025. Its strongest position was 94% (Sep 2026) and its weakest 86% (May 2025).

A year earlier, in Aug 2025, its score was 75.93 and it was ahead of about 87% of companies in its industry.

Sep 202698.40ahead of 94%
Aug 202698.25ahead of 94%
Jul 202698.25ahead of 94%
Jun 202698.25ahead of 94%
May 202698.25ahead of 94%
Apr 202698.25ahead of 94%
Mar 202698.25ahead of 94%
Feb 202698.15ahead of 94%
Dec 202598.15ahead of 94%
Aug 202575.93ahead of 87%
Jul 202574.02ahead of 87%
May 202574.02ahead of 86%
Apr 202574.02ahead of 86%

Between 2025 and 2026, the headcount of SEJIN TECH CO.,LTD. changed by +6.67%, and it now has 5–9 employees.

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(주)오션테크
OCEAN TECH CO.,LTD		5–9#141
성우
sungwoo		1–4#139
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ojr		1–4#142
세일녹화산업(주)
SE IL		1–4#143
씨엔씨해양개발
Sea&Sea ocean development co.Ltd		5–9#144














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경기 안산시 단원구 대쟁이길 (15210)
Where is SEJIN TECH CO.,LTD. located?

SEJIN TECH CO.,LTD. is registered at 경기 안산시 단원구 대쟁이길, South Korea (postal code 15210).

What industry is SEJIN TECH CO.,LTD. in?

SEJIN TECH CO.,LTD. belongs to Construction › Specialty Infrastructure Works › Underwater construction.

How many employees does SEJIN TECH CO.,LTD. have?

SEJIN TECH CO.,LTD. has 5–9 employees.

What is SEJIN TECH CO.,LTD.'s KOBDi Score?

98.40 as of September 2026, ahead of about 94% of companies in its industry.

Who are SEJIN TECH CO.,LTD.'s competitors?

Similar companies include OCEAN TECH, sungwoo and ojr.

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