Specialised construction
17 companies listed in Korea file under this classification. Figures below are each company's most recent filed year, mostly 2025.
Companies17
Combined revenueKRW 6,801bn
Median revenueKRW 338bn
Largest company's share23.2%
We show the median rather than the average because one company often carries a whole classification. The largest firm's share of combined revenue is there so you can see when that is happening.
All companies, by name
Listed alphabetically, not ranked. We do not order companies by size or call any of them leading, major or top.
| Company | Market | Year | Revenue | Operating profit | Net profit |
|---|---|---|---|---|---|
| BENO TNR, Inc.206400 | KOSDAQ | 2025 | 5 | -5 | -24 |
| Dong-Ah Geological Engineering Company LTD.028100 | KOSPI | 2025 | 468 | 18 | 19 |
| EXA E&C, Inc054940 | KOSDAQ | 2025 | 177 | 3 | 1 |
| Flask Co., Ltd.041590 | KOSDAQ | 2025 | 18 | -2 | 0 |
| GEUMHWA PSC CO.,LTD.036190 | KOSDAQ | 2025 | 423 | 44 | 31 |
| HDC LABS Co., Ltd.039570 | KOSPI | 2025 | 646 | 11 | 12 |
| ILJIN POWER CO., LTD.094820 | KOSDAQ | 2025 | 252 | 24 | 20 |
| KEPCO Plant Service & Engineering Co., Ltd051600 | KOSPI | 2025 | 1,577 | 140 | 124 |
| KUKBO DESIGN066620 | KOSDAQ | 2025 | 439 | 46 | 40 |
| KUMYANG GREEN POWER CO., Ltd.282720 | KOSDAQ | 2025 | 265 | 0 | 0 |
| LS Marine Solution Co., Ltd.060370 | KOSDAQ | 2025 | 244 | 7 | 8 |
| SAMHO DEVELOPMENT CO010960 | KOSPI | 2025 | 410 | 14 | 19 |
| SEBO MANUFACTURING ENGINEERING CORPORATION011560 | KOSDAQ | 2025 | 716 | 40 | 36 |
| Sejong Telecom, Inc.036630 | KOSDAQ | 2025 | 284 | -11 | 8 |
| SOOSAN INDUSTRIES CO., LTD.126720 | KOSPI | 2025 | 338 | 43 | 49 |
| WOOJIN I&S Co.,Ltd010400 | KOSPI | 2025 | 164 | 5 | 8 |
| Woowon Development Co., Ltd.046940 | KOSDAQ | 2025 | 376 | 67 | 48 |