| Naics index | Naics index description |
|---|---|
| 813319 | Public safety advocacy organizations |
| 813319 | Social change advocacy organizations |
| 813319 | Social service advocacy organizations |
| 813319 | Substance abuse prevention advocacy organizations |
| 813319 | Taxpayers' advocacy organizations |
| 813319 | Temperance organizations |
| 813319 | Tenants' advocacy associations |
| 813319 | Tenants' associations, advocacy |
| 813319 | World peace and understanding advocacy organizations |
| 813410 | Alumni associations |