Professional Contractor Support Pella® is dedicated to providing professional contractors with the best windows and doors for virtually any project. Learn more about the advantages of working with Pella by visiting our Scottsdale 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 solution for your clients’ projects. Built To Order. All Pella products are built to order, and our delivery truck will arrive when and where you need it. Our products are packaged for protection and simple handling to make the installation a breeze. Full Range of Products. As a Pella partner, you’ll be granted access to our full range of handsomely 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 Scottsdale Pella showroom's services to support professional contractors in your region.