Optex Systems Holdings, Inc. engages in the manufacture of optical sighting systems and assemblies for the Department of Defense, foreign military applications, and commercial markets. It operates through the following segments: Optex Richardson, Applied Optics Center Dallas, and Other. The Optex Richardson segment handles optical sighting systems and assemblies' production. The Applied Optics Center-Dallas segment serves as the key supplier of laser coated filters used in the production of periscope assemblies. The company was founded in 1987 and is headquartered in Richardson, TX.