주식회사제이에스제이 / JSJ CO.,Ltd.

Also known as 제이에스제이 · JSJ
주식회사제이에스제이 (JSJ CO.,Ltd.) is a Korea-based business registered at 인천광역시 남동구 남동서로 (Postal code: 21631). It operates as a head office of a for-profit corporation. It was incorporated at the Incheon District Court, Registry Bureau. 주식회사제이에스제이 (JSJ CO.,Ltd.) falls under the Manufacturing industry. It operates within the Semiconductor Devices sector, specifically focusing on Other semiconductor device manufacturing business activities. It has 50–99 employees. According to KOBDi Industry Ranking system, 주식회사제이에스제이 (JSJ CO.,Ltd.) scored 109.28 points (up 0.42 points since August 2026) and outperforms approximately 87% of companies in the same industry. Recent performance indicators include: Employee growth: 36.92% (industry average: -2.73%).
주식회사제이에스제이는 인천광역시 남동구에 있는 기타 반도체 소자 제조업 기업입니다.
827-**-*187* 1201**-1089***

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인천광역시 남동구 남동서로 (21631)
Head office of a for-profit corporation
Manufacturing > Semiconductor Devices > Other semiconductor device manufacturing
September 2026
36.92%
2025-2026
168.89%
109.28
▲ 0.42 pts (vs. August 2026)
Top 13%
September 2026

JSJ CO.,Ltd.'s KOBDi Score is 109.28 as of Sep 2026, up 7.12 points since Apr 2025; it rose in 8 and fell in 2 of the 12 monthly updates. As of Sep 2026 it is ahead of about 87% of companies in its industry, against 87% in Aug 2026 and 81% in Apr 2025. Its strongest position was 87% (Sep 2026) and its weakest 81% (May 2025).

A year earlier, in Aug 2025, its score was 107.12 and it was ahead of about 86% of companies in its industry.

Sep 2026109.28ahead of 87%
Aug 2026108.86ahead of 87%
Jul 2026108.32ahead of 87%
Jun 2026108.70ahead of 87%
May 2026108.30ahead of 87%
Apr 2026108.30ahead of 87%
Mar 2026107.59ahead of 86%
Feb 2026108.15ahead of 86%
Dec 2025107.62ahead of 85%
Aug 2025107.12ahead of 86%
Jul 2025106.57ahead of 84%
May 2025102.16ahead of 81%
Apr 2025102.16ahead of 81%

Between 2025 and 2026, the headcount of JSJ CO.,Ltd. changed by +36.92%, against an average of -2.73% in its industry. It now has 50–99 employees.

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에이씨테크 5–9 Top 13%
(주)신명A.T
SHIN MYOENG A.T		 1–4 Top 13%
주식회사 포콘스
Pocons Co., Ltd		 50–99 Top 13%
유진디스컴(주)
YUJIN DISCOM CO.,LTD		 50–99 Top 13%
(주)에이엔피
AUTOMOBILE & PCB		 100–299 Top 13%















Financial statements on file for JSJ CO.,Ltd.: 2020–2022.

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인천광역시 남동구 남동서로 (21631)
Where is JSJ CO.,Ltd. located?

JSJ CO.,Ltd. is registered at 인천광역시 남동구 남동서로, South Korea (postal code 21631).

What industry is JSJ CO.,Ltd. in?

JSJ CO.,Ltd. belongs to Manufacturing › Semiconductor Devices › Other semiconductor device manufacturing.

How many employees does JSJ CO.,Ltd. have?

JSJ CO.,Ltd. has 50–99 employees.

What is JSJ CO.,Ltd.'s KOBDi Score?

109.28 as of September 2026, ahead of about 87% of companies in its industry.

Who are JSJ CO.,Ltd.'s competitors?

Similar companies include 에이씨테크, SHIN MYOENG A.T and Pocons.

Which businesses are near JSJ CO.,Ltd.?

Businesses registered at the same postal code (21631) include SHINHYUP ELECTRONICS, DONG SIN and Seil Electronics. Most work in plating industry, other semiconductor device manufacturing and painting and other film processing businesses.

Businesses near JSJ CO.,Ltd.

Registered at postal code 21631 (남동서로, 남동구). Most businesses here work in plating industry, other semiconductor device manufacturing and painting and other film processing businesses.

Other other semiconductor device manufacturing companies in 남동구

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