I needed a dead tree removed last year, and they removed it. I felt it was a good price -- 367 for removing a large tree, stump grinding and disposing of the wood. I did have to wait ~3 months because it was the busy season when I requested the service, but I'm happy with the work.
This year I consulted them with my apple maggot problem. they pointed me to a wonderful arborist, who helped me over the phone with some pointers free of charge.
I will probably get them to prune my apple tree this year.