Optex Systems Holdings, Inc. engages in the business of manufacturing optical sighting systems and assemblies for the Department of Defense, foreign military applications, and commercial markets. It operates through the following segments: Optex Systems Richardson and Applied Optics Center Dallas. The Optex Systems 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.