- Bank holding companies (3397)
- Holding companies, nec (861)
- Management investment, open-end (80)
- Investment offices, nec (27)
- Trusts: educational, religious, etc. (16)
- Trusts, nec (48)
- Oil royalty traders (34)
- Patent owners and lessors (88)
- Real estate investment trusts (33)
- Investors, nec (158)
