- Bank holding companies (6281)
- Holding companies, nec (1685)
- Management investment, open-end (1509)
- Investment offices, nec (219)
- Trusts: educational, religious, etc. (84)
- Trusts, nec (163)
- Oil royalty traders (4)
- Patent owners and lessors (462)
- Real estate investment trusts (109)
- Investors, nec (584)
