Top 20 registered drone types...

[Steven Ackerman]

Top Twenty Registered Drone Types in the US - DRONELIFE

 

[pyrate]

that's interesting considering you do not register the vehicle

 

[PdxSteve]

You do for 333 exempt pilots, afaik. You can search the FAA database by drone manufacturer, type, etc., but it only lists the 333 exemptions - not the general public.
FAA Registry - Aircraft - Make / Model Inquiry

 

[pyrate]

that makes sense.