Founded in 1925, Pella Corporation engages in designing, manufacturing and installing a range of windows and doors. Based in Plymouth, Minn., it operates 12 manufacturing facilities and has 200 windows and doors showrooms in the United States and Canada. The company provides a range of innovative residential and commercial products for new constructions along with remodeling and replacement projects. Pella Corporation further offers windows and doors in wood, fiberglass and vinyl with window styles including casement, awning, sliding, specialty, custom and others. The company has more than 100 product and design patents and is a member of the U.S. Green Building Council and a founding member of the National Fenestration Rating Council (NFRC).