Therma-Tru is the leading entry door brand most preferred by building professionals. Founded in 1962, Therma-Tru pioneered the fiberglass entry door industry, and today offers a complete portfolio of entry and patio door system solutions, including decorative glass doorlites, sidelites, transoms, and door components. Therma-Tru is headquartered in Maumee, Ohio. Our organization offers a growing, successful business, consistent financial results, opportunities to thrive in your career, an engaged workforce, rewards for performance, #1 positioned brands, innovation focus across the business, strong values, an inclusive culture and global citizenship. Opportunity. Purpose. Reward.