탑이십일건설(주) / TOP21.CO

Also known as 탑이십일건설
탑이십일건설(주) (TOP21.CO) is a Korea-based business registered at 경기도 포천시 삼육사로 2073, (Postal code: 11160). It operates as a head office of a for-profit corporation. It was originally registered with the Yeongdong Tax Office and incorporated at the Cheongju District Court, Yeongdong Branch. 탑이십일건설(주) (TOP21.CO) falls under the Construction industry. It operates within the Other Specialty Construction sector, specifically focusing on Glass and window construction business activities. It has 1–4 employees. According to KOBDi Industry Ranking system, 탑이십일건설(주) (TOP21.CO) scored 42.53 points and outperforms approximately 49% of companies in the same industry. Recent performance indicators include: Employee growth: -9.33% (industry average: -3.51%).
탑이십일건설(주)는 경기도 포천시에 있는 유리 및 창호 공사업 기업입니다.
302-**-*809* 1513**-0002***

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경기도 포천시 삼육사로 2073, (11160)
Head office of a for-profit corporation
Construction > Other Specialty Construction > Glass and window construction
May 2026
-9.33%
2025-2026
42.53
- (vs. August 2026)
Top 52%
September 2026

TOP21.CO's KOBDi Score is 42.53 as of Sep 2026, down 6.51 points since Apr 2025; it rose in 4 and fell in 3 of the 12 monthly updates. As of Sep 2026 it is ahead of about 49% of companies in its industry, against 49% in Aug 2026 and 70% in Apr 2025. Its strongest position was 70% (Apr 2025) and its weakest 38% (Jul 2025).

A year earlier, in Aug 2025, its score was 41.85 and it was ahead of about 40% of companies in its industry.

Sep 202642.53ahead of 49%
Aug 202642.53ahead of 49%
Jul 202642.53ahead of 48%
Jun 202642.37ahead of 47%
May 202642.37ahead of 47%
Apr 202644.98ahead of 60%
Mar 202644.98ahead of 60%
Feb 202642.16ahead of 45%
Dec 202542.16ahead of 44%
Aug 202541.85ahead of 40%
Jul 202541.75ahead of 38%
May 202544.76ahead of 55%
Apr 202549.03ahead of 70%

Between 2025 and 2026, the headcount of TOP21.CO changed by -9.33%, against an average of -3.51% in its industry. It now has 1–4 employees.

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주식회사우민산업개발
woomin		 1–4 Top 52%
(주)외동주택건설
oedong jutaekkunsul		 1–4 Top 52%
대진건업(주)
DAEJIN		 1–4 Top 52%
주)엘에스창호 1–4 Top 52%
주식회사 진호건설
daiguang Ind. Dev. Co. Ltd		 1–4 Top 52%















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경기도 포천시 삼육사로 2073, (11160)
Where is TOP21.CO located?

TOP21.CO is registered at 경기도 포천시 삼육사로 2073,, South Korea (postal code 11160).

What industry is TOP21.CO in?

TOP21.CO belongs to Construction › Other Specialty Construction › Glass and window construction.

How many employees does TOP21.CO have?

TOP21.CO has 1–4 employees.

What is TOP21.CO's KOBDi Score?

42.53 as of September 2026, ahead of about 49% of companies in its industry.

Who are TOP21.CO's competitors?

Similar companies include woomin, oedong jutaekkunsul and DAEJIN.

Which businesses are near TOP21.CO?

Businesses registered at the same postal code (11160) include dayou apparel, 삼화산업 and 알파침대. Most work in other wooden furniture manufacturing, chemical fiber fabric weaving industry and e-commerce retail.

Businesses near TOP21.CO

Registered at postal code 11160 (삼육사로, 포천시). Most businesses here work in other wooden furniture manufacturing, chemical fiber fabric weaving industry and e-commerce retail.

Other glass and window construction companies in 포천시

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