Qualis Corporation is a privately held company that provides engineering and technical services to the aerospace and defense industries. The company was founded in 1993 and is headquartered in Huntsville, Alabama. Qualis Corporation offers a wide range of services, including systems engineering, software development, test and evaluation, and program management. The company has a strong focus on quality and customer satisfaction, and has received numerous awards for its work. Qualis Corporation has a diverse customer base that includes the Department of Defense, NASA, and commercial aerospace companies.