- Bank holding companies (21896)
- Holding companies, nec (5302)
- Management investment, open-end (2064)
- Investment offices, nec (332)
- Trusts: educational, religious, etc. (191)
- Trusts, nec (352)
- Oil royalty traders (44)
- Patent owners and lessors (940)
- Real estate investment trusts (236)
- Investors, nec (1384)
