- Bank holding companies (20)
- Holding companies, nec (192)
- Management investment, open-end (8)
- Investment offices, nec (23)
- Trusts: educational, religious, etc. (18)
- Trusts, nec (81)
- Oil royalty traders (15)
- Patent owners and lessors (9)
- Real estate investment trusts (31)
- Investors, nec (511)
