| Naics index | Naics index description |
|---|---|
| 523991 | Administrators of private estates |
| 523991 | Bank trust offices |
| 523991 | Escrow agencies (except real estate) |
| 523991 | Fiduciary agencies (except real estate) |
| 523991 | Personal investments trust administration |
| 523991 | Securities custodians |
| 523991 | Trust administration, personal investment |
| 523991 | Trust companies, nondepository |
| 523999 | Business start-up fundraising using a crowdfunding platform |
| 523999 | Clearinghouses, commodity exchange or securities exchange |