(주)거산 / GEOSAN

Also known as 거산
(주)거산 (GEOSAN) is a Korea-based business registered at 충청남도 보령시 웅천읍 산업단지길 (Postal code: 33506). It operates as a head office of a for-profit corporation. It was originally registered with the Boryeong Tax Office and incorporated at the Seoul Central District Court, Registry Bureau. (주)거산 (GEOSAN) falls under the Construction industry. It operates within the Other Specialty Construction sector, specifically focusing on Glass and window construction business activities. It has 5–9 employees. According to KOBDi Industry Ranking system, (주)거산 (GEOSAN) scored 92.84 points (up 0.05 points since August 2026) and outperforms approximately 92% of companies in the same industry. Recent performance indicators include: Employee growth: 1.79% (industry average: -3.51%).
(주)거산은 충청남도 보령시 웅천읍에 있는 유리 및 창호 공사업 기업입니다.
313-**-*338* 1101**-2178***

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충청남도 보령시 웅천읍 산업단지길 (33506)
Head office of a for-profit corporation
Construction > Other Specialty Construction > Glass and window construction
September 2026
1.79%
2025-2026
-4.78%
92.84
▲ 0.05 pts (vs. August 2026)
Top 8%
September 2026

GEOSAN's KOBDi Score is 92.84 as of Sep 2026, up 0.41 points since Apr 2025; it rose in 5 and fell in 2 of the 12 monthly updates. As of Sep 2026 it is ahead of about 92% of companies in its industry, against 92% in Aug 2026 and 90% in Apr 2025. Its strongest position was 92% (Sep 2026) and its weakest 90% (May 2025).

A year earlier, in Aug 2025, its score was 92.58 and it was ahead of about 91% of companies in its industry.

Sep 202692.84ahead of 92%
Aug 202692.79ahead of 92%
Jul 202692.79ahead of 92%
Jun 202692.63ahead of 92%
May 202692.63ahead of 92%
Apr 202692.63ahead of 92%
Mar 202691.23ahead of 92%
Feb 202691.16ahead of 92%
Dec 202591.16ahead of 91%
Aug 202592.58ahead of 91%
Jul 202592.59ahead of 91%
May 202592.44ahead of 90%
Apr 202592.44ahead of 90%

Between 2025 and 2026, the headcount of GEOSAN changed by +1.79%, against an average of -3.51% in its industry. It now has 5–9 employees.

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동원건설산업(주)
dongwon		 5–9 Top 8%
천안건설(주)
CHEONAN		 5–9 Top 8%
유종건설
yu jong		 1–4 Top 8%
(주)핸스
HENCE CO. LTD.		 10–19 Top 8%
월드세이프티 1–4 Top 8%















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충청남도 보령시 웅천읍 산업단지길 (33506)
Where is GEOSAN located?

GEOSAN is registered at 충청남도 보령시 웅천읍 산업단지길, South Korea (postal code 33506).

What industry is GEOSAN in?

GEOSAN belongs to Construction › Other Specialty Construction › Glass and window construction.

How many employees does GEOSAN have?

GEOSAN has 5–9 employees.

What is GEOSAN's KOBDi Score?

92.84 as of September 2026, ahead of about 92% of companies in its industry.

Who are GEOSAN's competitors?

Similar companies include dongwon, CHEONAN and yu jong.

Which businesses are near GEOSAN?

Businesses registered at the same postal code (33506) include jooyoung sts, 에이비씨나노텍웅천공장 and WOO JIN SOO SAN. Most work in other stone product manufacturing, Korean general restaurant business and other medical device manufacturing.

Businesses near GEOSAN

Registered at postal code 33506 (산업단지길, 보령시). Most businesses here work in other stone product manufacturing, Korean general restaurant business and other medical device manufacturing.

Other glass and window construction companies in 충청남도

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