주식회사티엔에스아이(본사) / T & SI Co.,Ltd

Also known as 티엔에스아이(본사) · T & SI
주식회사티엔에스아이(본사) (T & SI Co.,Ltd) is a Korea-based business registered at 인천 계양구 경명대로 (Postal code: 21031). It operates as a head office of a for-profit corporation. It was incorporated at the Incheon District Court, Registry Bureau. 주식회사티엔에스아이(본사) (T & SI Co.,Ltd) falls under the Construction industry. It operates within the Specialty Infrastructure Works sector, specifically focusing on Underwater construction business activities. According to KOBDi Industry Ranking system, 주식회사티엔에스아이(본사) (T & SI Co.,Ltd) scored 34.44 points and is in the lower 10% of companies in the same industry. Recent performance indicators include: Employee growth: 0.00% (industry average: -3.15%).
주식회사티엔에스아이(본사)는 인천 계양구에 있는 수중 공사업 기업입니다.
289-**-*060* 1201**-0848***

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인천 계양구 경명대로 (21031)
Head office of a for-profit corporation
Construction > Specialty Infrastructure Works > Underwater construction
0.00%
2023-2024
34.44
- (vs. August 2026)
Lower 10%
September 2026

T & SI Co.,Ltd's KOBDi Score is 34.44 as of Sep 2026, up 0.16 points since Jul 2025; it rose in 1 of the 10 monthly updates and never fell. As of Sep 2026 it is in the lower 10% of its industry, against the lower 10% in Aug 2026 and the lower 10% in Jul 2025. Its strongest position was the lower 10% (Sep 2026) and its weakest the lower 10% (Jul 2025).

A year earlier, in Aug 2025, its score was 34.28 and it was in the lower 10% of its industry.

Sep 202634.44lower 10%
Aug 202634.44lower 10%
Jul 202634.44lower 10%
Jun 202634.44lower 10%
May 202634.44lower 10%
Apr 202634.44lower 10%
Mar 202634.44lower 10%
Feb 202634.44lower 10%
Dec 202534.28lower 10%
Aug 202534.28lower 10%
Jul 202534.28lower 10%

Between 2023 and 2024, the headcount of T & SI Co.,Ltd changed by 0.00%, against an average of -3.15% in its industry.

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동천조경(주) 1–4 Top 92%
남우엘앤씨(주)
NAMWOO		 1–4 Top 92%
(주)삼건개발 1–4 Top 92%
주식회사옥황 1–4 Top 92%
이수조경주식회사 1–4 Top 92%















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인천 계양구 경명대로 (21031)
Where is T & SI Co.,Ltd located?

T & SI Co.,Ltd is registered at 인천 계양구 경명대로, South Korea (postal code 21031).

What industry is T & SI Co.,Ltd in?

T & SI Co.,Ltd belongs to Construction › Specialty Infrastructure Works › Underwater construction.

What is T & SI Co.,Ltd's KOBDi Score?

34.44 as of September 2026, in the lower 10% of its industry.

Who are T & SI Co.,Ltd's competitors?

Similar companies include 동천조경, NAMWOO and 삼건개발.

Which businesses are near T & SI Co.,Ltd?

Businesses registered at the same postal code (21031) include GIRLSTEMPO, 엠피아실용음악학원 and 제이엠패션. Most work in Korean general restaurant business, supermarket and animal cafe.

Businesses near T & SI Co.,Ltd

Registered at postal code 21031 (경명대로, 계양구). Most businesses here work in Korean general restaurant business, supermarket and animal cafe.

Other underwater construction companies in 인천

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