주식회사 케이디 / SJ

Also known as 케이디
주식회사 케이디 (SJ) is a Korea-based business registered at 경기 김포시 대곶면 소래로 (Postal code: 10040). It operates as a head office of a for-profit corporation. 주식회사 케이디 (SJ) falls under the Manufacturing industry. It operates within the Plastic Building Products sector, specifically focusing on Plastic window manufacturing business activities. It has 5–9 employees. According to KOBDi Industry Ranking system, 주식회사 케이디 (SJ) scored 73.33 points and outperforms approximately 83% of companies in the same industry. Recent performance indicators include: Employee growth: -29.49%.
주식회사 케이디는 경기 김포시 대곶면에 있는 플라스틱 창호 제조업 기업입니다.
752-**-*116* 1244**-0227***

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경기 김포시 대곶면 소래로 (10040)
Head office of a for-profit corporation
Manufacturing > Plastic Building Products > Plastic window manufacturing
April 2025
-29.49%
2024-2025
-12.21%
73.33
- (vs. August 2026)
Top 17%
September 2026

SJ's KOBDi Score is 73.33 as of Sep 2026, down 37.36 points since Apr 2025; it rose in 2 and fell in 1 of the 12 monthly updates. As of Sep 2026 it is ahead of about 83% of companies in its industry, against 83% in Aug 2026 and 96% in Apr 2025. Its strongest position was 96% (Aug 2025) and its weakest 65% (Jun 2026).

A year earlier, in Aug 2025, its score was 110.70 and it was ahead of about 96% of companies in its industry.

Sep 202673.33ahead of 83%
Aug 202673.33ahead of 83%
Jul 202643.96ahead of 66%
Jun 202643.96ahead of 65%
May 202643.96ahead of 65%
Apr 202643.96ahead of 65%
Mar 202643.96ahead of 65%
Feb 202643.80ahead of 65%
Dec 202543.80ahead of 65%
Aug 2025110.70ahead of 96%
Jul 2025110.70ahead of 96%
May 2025110.70ahead of 96%
Apr 2025110.70ahead of 96%

Between 2024 and 2025, the headcount of SJ changed by -29.49%, and it now has 5–9 employees.

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(주)동성피피
DONG SUNG PP		1–4#357
주식회사 이지
EASY CO.,LTD		1–4#358
(주)알티50–99#355
주식회사 파랑
Blue Co., Ltd.		1–4#354
(주)스미트
SUMMIT CO.,LTD		1–4#353














Financial statements on file for SJ: 2019–2024.

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경기 김포시 대곶면 소래로 (10040)
Where is SJ located?

SJ is registered at 경기 김포시 대곶면 소래로, South Korea (postal code 10040).

What industry is SJ in?

SJ belongs to Manufacturing › Plastic Building Products › Plastic window manufacturing.

How many employees does SJ have?

SJ has 5–9 employees.

What is SJ's KOBDi Score?

73.33 as of September 2026, ahead of about 83% of companies in its industry.

Who are SJ's competitors?

Similar companies include DONG SUNG PP, EASY and (주)알티.

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