Here in SE Idaho, NO tree companies use cranes, not one I have ever seen anyway and I think I would have noticed! From what I've learned here, it has occurred to me that if I chose to get into the tree care business, using my existing crane equipment and skills, I could probably kick [pick a different word donkey?] on the local competition. This would assume I had the right experienced crew of course as I'd "just run the crane".
I bought my first boom truck, a little 10 ton JGL, to help me in my home building business at the time, and the next thing I knew I was doing more crane work for others then building, and then the light went on: I could make a living doing this! 4 cranes later,upgrading each time, now with the 22101S, I am doing so, while mostly sitting on my butt inside the heated cab and watching others do the hard work. Point being, if I was already tree savvy and in the biz, getting a crane to help out would be a no brainer, with the thought that a little straight hoisting work on the side could help make the payments. This assumes of course that your area is not already over saturated with existing small crane companies, mine wasn't and in fact was grossly under served by an outfit with junk equipment and a snotty attitude. I came along with good and constantly better equipment and even with my snotty attitude stole all his business that he thought he had a lock on. Having two businesses may be better then just one at times. Two that compliment each other like crane AND tree service really does.