Professional, scientific and technical services
1 companies listed in Korea file under this classification. Figures below are each company's most recent filed year, mostly 2025.
Companies1
Combined revenueKRW 17bn
Median revenueKRW 17bn
Largest company's share100%
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 |
|---|---|---|---|---|---|
| EcoSimplex Co., Ltd038870 | KOSDAQ | 2025 | 17 | -3 | -7 |