Professional Contractor Support Our Pella team is® dedicated to providing professional contractors with the right windows and doors for almost any project. Discover more about the benefits of working with Pella by visiting our Grand Rapids Showroom. Dedicated Representatives. Pella’s dedicated representatives 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 products for your clients’ projects. Built To Order. Pella windows and doors are made to order, and our delivery truck will arrive when and where 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 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 strengthen your partnership with Pella. Learn more about how you can participate in Grand Rapids Pella showroom's services to support professional contractors in your region.