Professional Contractor Support Our Pella team is® dedicated to providing professional contractors with the best windows and doors for nearly any project. Discover more about the advantages of working with Pella by visiting our Shrewsbury Showroom. Dedicated Representatives. Pella’s dedicated sales professionals will work with you on estimates, on-site project management, walk-throughs and service after the sale. We will partner with you find the best fit for your clients’ projects. Built To Order. Pella products are made to order, and our delivery truck will arrive when you need it. Our windows are packaged for protection and easy handling to make the installation go smoothly. Full Range of Products. As a Pella partner, you’ll be granted access to our entire range of beautifully crafted products to meet and exceed all of your clients’ window and door needs. Pella Certified Contractor. The Pella Certified Contractor program offers training and support programs to strengthen your relationship with Pella. Learn more about how you can participate in Shrewsbury Pella showroom's services to support professional contractors in your region.