I am not affiliated, but Xtreme vehicle designs does excellent work. I've used them about half a dozen times.
Xtreme Vehicle Designs - Car Audio, Video, Accessories and Window Tinting
Llumar window tint is the best! Do not use a business that does not use them, cost more but looks and last great, lifetime warranty. I use a guy in Kokomo but that is to far for you unless you ever go that way.
I've used Pro-Tint (Dave Lemen) on my last five cars. Great work, great prices, uses Llumar film. I've been very satisfied with his services.
I went to Tint Pro in Camby right near Bradis Guns. Good price and lifetime warranty included. Only thing with mine is I went 20%, looked great in the garage but during the day was a little more see through than I liked. So I'm gonna go back and get them done darker.
Anywho, I have no complaints and my step-dad has used them on about 5 cars he has owned over the years.
Talk with Allen Moore at Diamond Collision. Not sure if he does tinting or not, but he advertises on INGO and his work is top notch.