- Bank holding companies (28)
- Holding companies, nec (1236)
- Management investment, open-end (252)
- Investment offices, nec (147)
- Trusts: educational, religious, etc. (139)
- Trusts, nec (663)
- Oil royalty traders (3)
- Patent owners and lessors (89)
- Real estate investment trusts (400)
- Investors, nec (3776)
