- Bank holding companies (84)
- Holding companies, nec (2317)
- Management investment, open-end (212)
- Investment offices, nec (328)
- Trusts: educational, religious, etc. (172)
- Trusts, nec (461)
- Oil royalty traders (19)
- Patent owners and lessors (121)
- Real estate investment trusts (424)
- Investors, nec (6116)
