We had Kelly's come out and do an assessment of our two backyard maple trees, and our front yard white oak. Wenda was on time, professional, caring about our trees, and wrote us a helpful report on their health and what maintenance should be done immediately and ongoing. In Sept 2012 a crew came to prune the deadwood from our oak tree. They came early in the morning on the day they promised to be here. They were polite, helpful, professional, and happy to talk about the health of the tree, what they did, and what they found. They cleaned up after themselves so well that you can't even tell they were there. They appeared to use appropriate safety gear (I'm not a professional so I'm not sure). Since it only needs to be trimmed every 3-5 years, the price of $1000 spread over 5 years is quite reasonable, and we probably save that every year by not having to run the air conditioner from the tree's shade.