Professional Contractor Support At Pella®, we’re dedicated to providing professional contractors with superior windows and doors for nearly any project. Learn more about the advantages of working with Pella by visiting our Kingston Showroom. Dedicated Representatives. Pella’s dedicated sales professionals will assist you with estimates, on-site project management, walk-throughs and service after the sale. We will partner with you find the best products for your clients’ needs. Built To Order. All Pella products are built to order, and our delivery truck will arrive at the exact time you need it. Our windows and doors are packaged for protection and simple handling to make the installation as smooth as possible. Full Range of Products. As a Pella partner, you’ll be granted access to our full range of exquisitely crafted products to meet and satisfy all of your clients’ window and door needs. Pella Certified Contractor. The Pella Certified Contractor program offers training and support programs to leverage your affiliation with Pella. Learn more about how you can participate in Kingston Pella showroom's services to support professional contractors in your community.