> Also, do you know of any particular vendors where I could buy it
> online, or who also have brick and mortar stores in Oregon?
Why not just see what commercial arborists in your area use? I bet it's
something like this one.
http://www.dahlsequipment.com/rentalrates/specs/3026.htm
They're not in your area, but i bet they use the same one up in your neck of
the woods. Call them, see what brand/model they rent out.
> online, or who also have brick and mortar stores in Oregon?