Professional Contractor Support At Pella®, we’re dedicated to providing professional contractors with the right windows and doors for virtually any project. Discover more about the advantages of working with Pella by visiting our West Springfield Showroom. Dedicated Representatives. Pella’s dedicated sales professionals will offer assistance on estimates, on-site project management, walk-throughs and service after the sale. We will partner with you find the best products for your client. Built To Order. Pella windows and doors are built to order, and our delivery truck will arrive when you need it. Our windows and doors are packaged for protection and simple handling to make the installation a breeze. Full Range of Products. As a Pella partner, you’ll receive access to our wide range of exquisitely crafted products to meet and fulfill all of your clients’ window and door needs. Pella Certified Contractor. The Pella Certified Contractor program offers training and support programs to enhance your partnership with Pella. Learn more about how you can participate in West Springfield Pella showroom's services to support professional contractors in your community.