Marvin is a leading manufacturer of high-quality windows and doors. The company was founded in 1912 and is headquartered in Wilmington, Delaware. Marvin offers a wide range of products, including wood, aluminum-clad wood, and fiberglass windows and doors. The company is known for its commitment to sustainability and has been recognized for its efforts to reduce waste and energy consumption. Marvin has a strong reputation for quality and innovation, and its products are used in a variety of residential and commercial applications.