Which vacuum do you use poll (and pic of worlds most exp vacuum wow)

Keeping it simple. Many if not most carpet cleaners pre-vac. So which vacuum do you keep on your truck?

*Please VOTE if you view this thread.

(Being in the vacuum cleaner business and after owning several stores I learned that many machines are just "private labeled" as you will notice to the right hand side of the vacuum cleaner list poll. The poll is limited to 15 choices. So I also lumped Eureka and Hoover together. They are almost identical in virtually every way)...

Which vacuum do you use poll (and pic of worlds most exp vacuum wow)