Professional Contractor Support At Pella®, we’re committed to providing professional contractors with the best windows and doors for almost any project. Learn more about the perks of working with Pella by visiting our Greenfield Showroom. Dedicated Representatives. Pella’s dedicated experts will offer assistance 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. All Pella products are made to order, and our delivery truck will arrive when you need it. Our products are packaged for protection and easy handling to make the installation as smooth as possible. Full Range of Products. As a Pella partner, you’ll receive access to our entire 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 strengthen your relationship with Pella. Learn more about how you can participate in Greenfield Pella showroom's services to support professional contractors in your community.