Custom Exchange, Inc Windows is one of the leading vinyl window replacement & installation companies in the Bay Area. Our company was founded with a very simple philosophy – to deliver high quality products and services at affordable prices.We pride ourselves on being fully committed to the complete satisfaction of our customers. For over 15 years we have consistently delivered great products and outstanding services in your neighborhood; making us a leader in the Bay Area. We treat each customer with special importance; therefore more than 50% of our new customers are referrals from our previous, satisfied customers.