| Naics index | Naics index description |
|---|---|
| 525120 | Employee benefit plans (except pension) |
| 525120 | Funds, health and welfare |
| 525120 | Health and welfare funds |
| 525120 | Plans, health- and welfare-related employee benefit |
| 525120 | Union health and welfare funds |
| 525190 | Compensation, workers, insurance funds |
| 525190 | Funds, self-insurance (except employee benefit funds) |
| 525190 | Self-insurance funds (except employee benefit funds) |
| 525190 | Workers' compensation insurance funds |
| 525910 | Funds, mutual, open-ended |