Listed companies
Water and waste: South Korean listed companies
3 companies, largest first.
Companies
| Company | Staff | Women | Pay gap |
|---|---|---|---|
| Insun Environmental New Technology 060150 | 159 | 20.8% | 38.8% |
| Y-Entec 067900 | 129 | 31.0% | 43.8% |
| The Lamy 032860 | 45 | 75.6% | 17.9% |
Source: Financial Supervisory Service, OpenDART, employee status in each company's 2025 annual business report. Every KOSPI and KOSDAQ company discloses its employees, average tenure and average pay by gender each year. Compiled by The Hardest Market.