Pella Corporation | 64,791 followers on LinkedIn. As the #1 most-preferred national window and door brand by homeowners across the country, Pella Corporation leads the industry in innovation and design. Founded in 1925, today the Pella Family of Brands encompasses a robust product offering sold and installed through various channels. We are a growing, privately owned company with 21 manufacturing locations and over 10,000 team members in the U.S. and Canada.