You don't need a cabinetmaker, you need a custom millwork lumber company. Our 200 year old home needed large quantities of reproduction millwork, and most of it had to be copied, meaning the mill had to custom make a molding knife to duplicate my samples. I have a number of companies near me that can do this, and Google is your friend to look for them. Here's one in your area that I quickly found by googling "west Chester PA lumber co"

http://www.taguelumber.com/