주식회사제이에스티 / JST

Also known as 제이에스티
주식회사제이에스티 (JST) is a Korea-based business registered at 경기도 안성시 원곡면 천덕산로 (Postal code: 17554). It operates as a head office of a for-profit corporation. It was incorporated at the Suwon District Court, Anseong Registry. 주식회사제이에스티 (JST) falls under the Manufacturing industry. It operates within the Semiconductor Devices sector, specifically focusing on Other semiconductor device manufacturing business activities. It has 5–9 employees. According to KOBDi Industry Ranking system, 주식회사제이에스티 (JST) scored 78.71 points (up 1.31 points since August 2026) and outperforms approximately 68% of companies in the same industry. Recent performance indicators include: Employee growth: 1.59% (industry average: -2.73%).
주식회사제이에스티는 경기도 안성시 원곡면에 있는 기타 반도체 소자 제조업 기업입니다.
879-**-*091* 1346**-0089***

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경기도 안성시 원곡면 천덕산로 (17554)
Head office of a for-profit corporation
Manufacturing > Semiconductor Devices > Other semiconductor device manufacturing
September 2026
1.59%
2025-2026
-17.45%
78.71
▲ 1.31 pts (vs. August 2026)
Top 32%
September 2026

JST's KOBDi Score is 78.71 as of Sep 2026, down 41.00 points since Apr 2025; it rose in 4 and fell in 2 of the 12 monthly updates. As of Sep 2026 it is ahead of about 68% of companies in its industry, against 67% in Aug 2026 and 92% in Apr 2025. Its strongest position was 92% (Aug 2025) and its weakest 67% (Aug 2026).

A year earlier, in Aug 2025, its score was 119.97 and it was ahead of about 92% of companies in its industry.

Sep 202678.71ahead of 68%
Aug 202677.40ahead of 67%
Jul 2026114.22ahead of 90%
Jun 2026114.22ahead of 90%
May 2026114.22ahead of 90%
Apr 2026114.22ahead of 90%
Mar 2026114.06ahead of 90%
Feb 2026113.97ahead of 90%
Dec 2025113.97ahead of 89%
Aug 2025119.97ahead of 92%
Jul 2025119.71ahead of 92%
May 2025119.71ahead of 92%
Apr 2025119.71ahead of 92%

Between 2025 and 2026, the headcount of JST changed by +1.59%, against an average of -2.73% in its industry. It now has 5–9 employees.

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주식회사 경성이엔지
KYUNG SUNG ENG		5–9Top 32%
에어리퀴드어드밴스드머티어리얼즈코리아 주식회사
Air Liquide Advanced Materials Korea, Co., Ltd.		100–299Top 32%
(주)호성금속
Hoseungmetal Co.,Ltd		1–4Top 32%
세진공업(주)
SEJIN INDUSTRY CO., LTD		50–99Top 32%
남경테크주식회사
NAM KYOUNG TECH		1–4Top 32%














Financial statements on file for JST: 2020–2024.

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경기도 안성시 원곡면 천덕산로 (17554)
Where is JST located?

JST is registered at 경기도 안성시 원곡면 천덕산로, South Korea (postal code 17554).

What industry is JST in?

JST belongs to Manufacturing › Semiconductor Devices › Other semiconductor device manufacturing.

How many employees does JST have?

JST has 5–9 employees.

What is JST's KOBDi Score?

78.71 as of September 2026, ahead of about 68% of companies in its industry.

Who are JST's competitors?

Similar companies include KYUNG SUNG ENG, Air Liquide Advanced Materials Korea and Hoseungmetal.

Which businesses are near JST?

Businesses registered at the same postal code (17554) include NOE CONSTRUCTION, SPELLON ENERGE and 지알테크. Most work in other semiconductor device manufacturing, Korean general restaurant business and manufacturing machinery for semiconductor manufacturing.

Businesses near JST

Registered at postal code 17554 (천덕산로, 안성시). Most businesses here work in other semiconductor device manufacturing, Korean general restaurant business and manufacturing machinery for semiconductor manufacturing.

Other other semiconductor device manufacturing companies in 안성시

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