(주)서일 / SEOIL CO., LTD

Also known as 서일 · SEOIL
(주)서일 (SEOIL CO., LTD) is a Korea-based business registered at -15 Cheomdangeopyeop 5-ro, Sandong-eup, Gumi-si, Gyeongsangbuk-do (Postal code: 39166). It operates as a head office of a for-profit corporation. It was originally registered with the Gumi Tax Office and incorporated at the Daegu District Court, Gumi Registry. (주)서일 (SEOIL CO., LTD) falls under the Manufacturing industry. It operates within the Plastic Building Products sector, specifically focusing on Plastic window manufacturing business activities. It has 20–29 employees. According to KOBDi Industry Ranking system, (주)서일 (SEOIL CO., LTD) scored 109.77 points (up 0.20 points since August 2026) and outperforms approximately 97% of companies in the same industry. Recent performance indicators include: Employee growth: -10.50% (industry average: -5.70%).
(주)서일은 경상북도 구미시 산동읍에 있는 플라스틱 창호 제조업 기업입니다.
513-**-*826* 1760**-0064***

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경상북도 구미시 산동읍 첨단기업5로 (39166)
-15 Cheomdangeopyeop 5-ro, Sandong-eup, Gumi-si, Gyeongsangbuk-do (39166)
Head office of a for-profit corporation
Manufacturing > Plastic Building Products > Plastic window manufacturing
September 2026
-10.50%
2025-2026
27.48%
109.77
▲ 0.20 pts (vs. August 2026)
Top 3%
September 2026

SEOIL CO., LTD's KOBDi Score is 109.77 as of Sep 2026, up 6.82 points since Apr 2025; it rose in 6 and fell in 5 of the 12 monthly updates. As of Sep 2026 it is ahead of about 97% of companies in its industry, against 97% in Aug 2026 and 94% in Apr 2025. Its strongest position was 97% (Sep 2026) and its weakest 94% (Jul 2025).

A year earlier, in Aug 2025, its score was 105.70 and it was ahead of about 95% of companies in its industry.

Sep 2026109.77ahead of 97%
Aug 2026109.57ahead of 97%
Jul 2026103.05ahead of 95%
Jun 2026103.89ahead of 95%
May 2026104.13ahead of 95%
Apr 2026104.13ahead of 95%
Mar 2026104.54ahead of 95%
Feb 2026104.47ahead of 95%
Dec 2025104.84ahead of 95%
Aug 2025105.70ahead of 95%
Jul 2025105.44ahead of 94%
May 2025103.83ahead of 94%
Apr 2025102.96ahead of 94%

Between 2025 and 2026, the headcount of SEOIL CO., LTD changed by -10.50%, against an average of -5.70% in its industry. It now has 20–29 employees.

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건보산업
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경상북도 구미시 산동읍 첨단기업5로 (39166)
-15 Cheomdangeopyeop 5-ro, Sandong-eup, Gumi-si, Gyeongsangbuk-do (39166)
Where is SEOIL CO., LTD located?

SEOIL CO., LTD is registered at -15 Cheomdangeopyeop 5-ro, Sandong-eup, Gumi-si, Gyeongsangbuk-do, South Korea (postal code 39166).

What industry is SEOIL CO., LTD in?

SEOIL CO., LTD belongs to Manufacturing › Plastic Building Products › Plastic window manufacturing.

How many employees does SEOIL CO., LTD have?

SEOIL CO., LTD has 20–29 employees.

What is SEOIL CO., LTD's KOBDi Score?

109.77 as of September 2026, ahead of about 97% of companies in its industry.

Who are SEOIL CO., LTD's competitors?

Similar companies include GEONBO INDUSTRY, MIRAE TECH and FMD.

Which businesses are near SEOIL CO., LTD?

Businesses registered at the same postal code (39166) include Linetech, 서일메탈라이징 and SHINIL. Most work in other general purpose machinery manufacturing, other semiconductor device manufacturing and general scale manufacturing.

Businesses near SEOIL CO., LTD

Registered at postal code 39166 (첨단기업5로, 구미시). Most businesses here work in other general purpose machinery manufacturing, other semiconductor device manufacturing and general scale manufacturing.

Other plastic window manufacturing companies in 경상북도

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