A comprehensive list of Irwin, PA based companies, stores, manufacturers and suppliers offering windows and doors for sale, installation, replacement and repair services. Read unbiased reviews of local contractors. 
Eastern Window Systems was established in 1977 by Steve and Mary Kramer. It has been a fast and growing family business due to dedicated and loyal customers. Ninety percent of their business is based upon referrals from prior customers. Mary is the office manager. Her function is to establish and maintain the many friendships and relationships that has made their business so successful.
Craig Clawson — Steve and Mary are absolutely amazing! We purchased our first home and completely remodeled everything, top to bottom. We