Hello - Thanks, everyone for all of your recommendations. This is very, very helpful. I've posted the list below. Megan 1) Calvin Landscaping..412.670.1567 2) Leo Saello 412/823-8172 (3 recommendations) 3) DeMasi Landscaping Andy DeMasi, Proprietor 412-589-5235 4) 412-628-0583 steve.swope@smartscape.net 5)It's Only Natural 412-310-9757 6)Hill Jordan 412 758 7235 7)Friendly Island Landscaping -- (412) 805-8165 John Tapu tapukava@yahoo.com 8)Tony Ahern Landscaping, LLC 223 Verna Drive Pittsburgh, PA 15209 412/849-1637 Fully Insured