General Liability Insurance for Contract Climber in PNW

[TreeVB]

I know there are quite a few posts on the topic so I'm sorry, but I can't figure it out. Does anyone know of any GL insurance companies that cover contract climbers in Idaho? Also, I've heard it is hard to acquire coverage as a first timer. Any insight on this. Thanks in advance fellas and appreciate all of your great info throughout this forum.
Cheers!
Kevin