Entech Solar, Inc. develops solar technologies, including sustainable day lighting solutions and concentrating photovoltaic power systems for applications in commercial, industrial and utility markets and space concentrating photovoltaic systems for power applications for NASA and the U.S. Department of Defense. The company designs, manufactures and markets the Entech Collimating Skylight, a skylight that provides light output and optical efficiency for the commercial and industrial green building markets. It also develops concentrating solar modules that produce electricity from sunlight. Entech Solar was founded in 1984 and is headquartered in Fort Worth, TX.