Masco Corp., Lennox Hearth Products, a division of Lennox International, and Pulte Homes Inc. established a national supplier arrangement for Masco's contractor services group to install Lennox fireplaces in homes constructed by Pulte Homes. Pulte intends to use Lennox fireplaces in the majority of its homes. Masco supplies and installs a wide variety of building products and services to Pulte Homes including insulation and cabinetry.