| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 523910 | 523910 | 523910 | Individuals investing in financial contracts on own account | |||
| 523910 | 523910 | 523910 | Investment clubs | |||
| 523910 | 523910 | 523910 | Mineral royalties or leases dealing (i.e., acting as a principal in dealing royalties or leases to investors) | |||
| 523910 | 523910 | 523910 | Mortgage dealers, buying and selling | |||
| 523910 | 523910 | 523910 | Oil royalty dealing (i.e., acting as a principal in dealing royalties to investors) | |||
| 523910 | 523910 | 523910 | Securities speculators for own account | |||
| 523910 | 523910 | 523910 | Tax liens dealing (i.e., acting as a principal in dealing tax liens to investors) | |||
| 523910 | 523910 | 523910 | Venture capital companies | |||
| 523910 | 523910 | 523910 | Viatical settlement companies |