Electro Optic Systems Holdings Limited engages in the development, manufacture, and sale of telescopes and dome enclosures, laser satellite tracking systems. The company operates in Defense Systems and Space Systems segments. It develops, manufactures, and markets fire control, surveillance, and weapon systems to military customers under Defense System segment. It also designs, manufactures, and supplies remote weapon systems, as well as provides related installation, integration, and support services; and designs, manufactures, delivers, and operates sensors for space domain awareness and space control. It invests into passive optical and laser sensing equipment; manufactures and sells various telescopes and dome enclosures; and provision of optical, microwave, and on-the-move radio and satellite products, as well as laser-based surveillance systems with space tracking capability under Space System segment. It operates in Australia, the United States, Singapore, the United Arab Emirates, New Zealand, and Germany. The company was founded in 1983 and is headquartered in Canberra, Australia.