- Nonresidential building operators (5054)
- Apartment building operators (2707)
- Dwelling operators, except apartments (216)
- Mobile home site operators (151)
- Railroad property lessors (3)
- Real property lessors, nec (666)
- Real estate agents and managers (13663)
- Title abstract offices (738)
- Subdividers and developers, nec (1901)
- Cemetery subdividers and developers (327)