L.
Although they are probably not the least expensive I highly recommend Bruss Landscaping. Last spring they re-did my whole front yard and walkways (brick pavers). I am thrilled with the job and the whole experience. They are extremely professional, show up every day (even when it rained) until the project is done and they guarantee all their plants for two years. I had a few plants not do so well and they came and replaced them right away. They draw up a design for you beforehand so you can see exactly what you are going to get. They've won landscape design awards, what else can I say? They are located in Wheaton. Here is their number: ###-###-#### I used Brian but I'm sure they're all great. Good luck! I hope you enjoy your new front yard as much as I have mine!
L.