Tuksu Construction
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
TuksuConstruction builds underground passageways and tunnels, such as underpasses beneath roads and railways, without digging open trenches, a technique known as trenchless excavation.
Its clients are broadly public-infrastructure projects requiring underground crossings and utility tunnels. The company also operates an environmental-equipment segment, which produces processing-line equipment and runs a waste-recycling business. It is listed on KOSDAQ, South Korea's tech and small-cap exchange.
Summary is AI-generated and may contain errors · figures from DART filings
The company incorporates tunnel-boring equipment sourced from Germany as part of its trenchless construction capability, according to its filing.
Tuksu Construction in five facts
What does Tuksu Construction do?
TuksuConstruction builds underground passageways and tunnels, such as underpasses beneath roads and railways, without digging open trenches, a technique known as trenchless excavation.
Where is Tuksu Construction listed and in which sector?
Tuksu Construction (Korean name: 특수건설) trades under KRX code 026150 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Construction & Engineering.
How large is Tuksu Construction?
Its market capitalisation was US$50.5M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Tuksu Construction's latest annual revenue and operating profit?
For fiscal year 2025, Tuksu Construction reported revenue of US$112.5M, an operating loss of US$23.9M and a net loss of US$13.7M, per its annual report on DART (data retrieved from DART on 2026-09-08). Revenue was down 29.9% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-08
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on large shareholdings (5% rule) (abbreviated)Oct 7
- Conversion price adjustmentSep 30
- Report on large shareholdings (5% rule) (abbreviated)Sep 30
- Securities issuance results (voluntary)Sep 29
- [Amended] Material event report (convertible bonds)
Tuksu Construction updated the terms of convertible bonds to raise US$7.34M, about 14.5% of its market value.
Capital raise · Sep 23 · 2 versions - [Amended] Supply contract signed
Tuksu Construction updated a previously disclosed supply contract with HDC Hyundai Development Co., Ltd., now worth US$23.2M, about 13.77% of its recent annual revenue, running through Jun 2027.
Supply contract · Sep 18 - [Amended] Supply contract signed
Tuksu Construction updated a previously disclosed supply contract with Air First Co., Ltd., now worth US$158M, about 91.71% of its recent annual revenue, running through Oct 2029.
Supply contract · Sep 10 - Report on large shareholdings (5% rule) (abbreviated)Sep 10
- [Amended] Supply contract signed
Tuksu Construction updated a previously disclosed supply contract with HJ Heavy Industries & Construction Co., Ltd. Construction Division, now worth US$25.4M, about 17.11% of its recent annual revenue, running through Sep 2026.
Supply contract · Sep 9 - Early redemption of convertible bonds (incl. overseas CBs)
Tuksu Construction acquired US$3.79M face amount of its 5th-series convertible bonds before maturity on August 31, 2026, after a bondholder exercised its put option, leaving a remaining face amount of US$2.36M.
Capital raise · Aug 31 - Supply contract signed
Tuksu Construction disclosed a supply contract, worth US$24.9M, about 25.79% of its recent annual revenue, running through Jun 2033.
Supply contract · Jun 26 - Early redemption of convertible bonds (incl. overseas CBs)Capital raise · Jun 1
- [Amended] Supply contract signed
Tuksu Construction updated a previously disclosed supply contract with Air First Co., Ltd., now worth US$129M, about 83.39% of its recent annual revenue, running through Oct 2029.
Supply contract · May 29 - [Amended] Supply contract signed
Tuksu Construction updated a previously disclosed supply contract with SK ecoplant Co., Ltd., now worth US$42.3M, about 31.98% of its recent annual revenue, running through Nov 2028.
Supply contract · Mar 31 - Cash/in-kind dividend decision
Tuksu Construction declared a cash dividend of US$0.02 per share.
Dividend · Feb 27 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Tuksu Construction reported consolidated results for FY2025: revenue of US$104M (−29.9% year on year), an operating loss of US$22.1M (from a profit a year earlier) and a net loss of US$13.5M (from a profit a year earlier).
Earnings · Feb 27