Teledyne Technologies Incorporated, together with its subsidiaries, provides enabling technologies for industrial growth markets in the United States and internationally. Its Digital Imaging segment provides visible spectrum sensors and digital cameras; and infrared, ultraviolet, visible, and X-ray spectra; as well as micro electromechanical systems and semiconductors, including analog-to-digital and digital-to-analog converters. This segment also offers cooled and uncooled infrared or thermal products, including sensors, camera cores, and camera systems; high-resolution, low-dose X-ray sensors, high-power microwave, and high-energy X-ray subsystems; and instruments for the measurement of physical properties and maritime products; as well as develops and manufactures multi-spectrum electro-optic/infrared imaging systems and associated products, such as lasers, optics, and radars, CBRNE (Chemical, Biological, Radiological, Nuclear and Explosive detectors), and unmanned air and ground systems. The company's Instrumentation segment offers monitoring, control, and electronic test and measurement equipment; and power and communications connectivity devices for distributed instrumentation systems and sensor networks. The company's Aerospace and Defense Electronics segment provides electronic components and subsystems, data acquisition and communications components and equipment, harsh environment interconnects, general aviation batteries, and other components; and onboard avionics systems and ground-based applications, aircraft data and connectivity solutions, hardware systems, and software applications. Its Engineered Systems segment offers systems engineering and integration, technology development, and manufacturing solutions for defense, space, environmental, and energy applications; and designs and manufactures electrochemical energy systems and electronics for military applications. The company was founded in 1960 and is headquartered in Thousand Oaks, California.

Elbit Systems Ltd. develops and supplies a portfolio of airborne, land, and naval systems and products for the defense, homeland security, and commercial aviation applications primarily in Israel, North America, the Asia-Pacific, Europe, Latin America, and internationally. The company operates through five segments: Aerospace; C4I and Cyber; Intelligence, Surveillance, Target Acquisition and Reconnaissance (ISTAR) and Electronic Warfare (EW); Land; and Elbit Systems of America (ESA). It also offers military aircraft and helicopter systems; commercial aviation systems and aerostructures; unmanned aircraft systems; flight academy solutions, electro-optic, night vision, high power energy solutions, and countermeasures systems; naval systems; land vehicle systems; munitions, such as precision munitions for land, air, and sea applications; command, control, communications, computer, intelligence, surveillance and reconnaissance, and cyber systems; electronic warfare and signal intelligence systems; and other commercial activities. In addition, the company manufactures and sells data links and radio communication systems and equipment, and cyber intelligence, autonomous, and homeland security solutions. Further, it provides various electronic warfare and signal intelligence systems, and laser systems; armored vehicle and other platforms survivability and protection systems, artillery, and mortar systems, as well as provides various training and support services. Additionally, the company offers products and systems solutions to military, foreign military sales, homeland security, medical instrumentation, and commercial aviation clients. It markets its systems and products as a prime contractor or subcontractor to various governments and companies. The company was incorporated in 1966 and is based in Haifa, Israel.

OSI Systems, Inc. designs and manufactures electronic systems and components. It operates in three segments: Security, Healthcare, and Optoelectronics and Manufacturing. The Security segment offers baggage and parcel inspection, cargo and vehicle inspection, hold baggage and people screening, radiation monitoring, explosive and narcotics trace detection systems, and optical inspection systems under the Rapiscan name. It also provides site design, installation, training, and technical support services; and turnkey security screening solutions under the S2 name. The Healthcare segment offers patient monitoring, cardiology and remote monitoring, and connected care systems and accessories under the Spacelabs name for use in critical care, emergency, and perioperative areas within hospitals, physicians' offices, medical clinics, and ambulatory surgery centers. The Optoelectronics and Manufacturing segment provides optoelectronic devices under the OSI Optoelectronics, OSI LaserDiode, OSI Laserscan, and Advanced Photonix names for the aerospace and defense, avionics, medical imaging and diagnostics, biochemistry analysis, pharmaceutical, nanotechnology, telecommunications, construction, and homeland security markets. It also offers electronics manufacturing services to original equipment manufacturers and end users for medical, automotive, defense, aerospace, industrial, and consumer applications under the OSI Electronics, APlus Products, Altaflex, and PFC Flexible Circuits names; LCD displays for medical, industrial, and consumer electronics applications; and flex circuits for OEM customers. This segment offers laser-based remote sensing devices to detect and classify vehicles in toll and traffic management systems under the OSI Laserscan and Autosense names; and solid-state laser products for aerospace, telecommunication, defense, and medical applications under the OSI LaserDiode name. The company was incorporated in 1987 and is headquartered in Hawthorne, California.

Applied Optoelectronics, Inc. designs, manufactures, and sells fiber-optic networking products in the United States, Taiwan, and China. It offers optical modules, optical filters, lasers, laser components, subassemblies, transmitters and transceivers, turn-key equipment, headend, node, distribution equipment, and amplifiers. The company sells its products to internet data center operators, cable television, telecom equipment manufacturers, fiber-to-the-home, and internet service providers through its direct and indirect sales channels. Applied Optoelectronics, Inc. was incorporated in 1997 and is headquartered in Sugar Land, Texas.

Kopin Corporation, together with its subsidiaries, invents, develops, manufactures, and sells microdisplays, subassemblies, and related components for defense, enterprise, industrial, and consumer products in the United States, the Asia-Pacific, Europe, and internationally. It offers miniature active-matrix liquid crystal displays, liquid crystal on silicon displays/spatial light modulators, organic light emitting diode displays, microLED display technologies, application specific integrated circuits, backlights, and optical lenses; and head-mounted and hand-held VR products. The company's products are used for soldier thermal weapon rifle sights, avionic fixed and rotary wing pilot helmets, armored vehicle targeting systems, and training and simulation headsets; industrial and medical headsets; 3D optical inspection systems; and consumer augmented reality and virtual reality wearable headsets systems. Kopin Corporation was incorporated in 1984 and is headquartered in Westborough, Massachusetts.

LightPath Technologies, Inc. designs, develops, manufactures, and distributes optical components and assemblies. It offers precision molded glass aspheric optics, molded and diamond-turned infrared aspheric lenses, and other optical components used to produce products that manipulate light; and infrared products, including catalog and custom infrared optics. The company's products are used in defense products, medical devices, laser aided industrial tools, automotive safety applications, barcode scanners, optical data storage, hybrid fiber coax datacom, telecommunications, machine vision and sensors, and other sectors. It sells its products directly to customers in Europe and Asia. LightPath Technologies, Inc. was founded in 1985 and is headquartered in Orlando, Florida.

Syntec Optics Holdings, Inc. manufactures and supplies integrated optics and photonics components for biomedical, defense and security, consumer, industrial, and communication. It offers camera modules; tool design, design for manufacturing, optical and opto-mechanical design, and moldflow analysis; SPDT optics, such as freedom optics, microlens arrays, spheres and aspheres, diffractives, SPDT materials, and optical tooling; replicative molding, that includes polymer and glass molding, and molded production materials; thin film coating and coating curve materials; and precision machining and precision machining materials. The company also provides clean room assembly, such as opto mechanical, opto electronic, and integrated photonics; and infrared optics, microlens arrays, software development, and optical metrology, and catalog optics services. In addition, it offers driverless cars, integrated photonics, robotics, sensors, VR and AR, machine vision, facial imagining, heads up display, finger print scanners, and laser scanners technology for consumers; night vision goggles, missile laser guides, biometrics, infrared and thermal imaging, ordnance optics, head mounted displays, 2D and 3D scanners, humvee lighting , laser targeting, protective domes and windows, and lidar technologies for defense and miliary; and medical diagnostic, microfluidics, surgical components and systems, and medical sensing technology for medical sectors. The company was founded in 1981 and is based in Rochester, New York.

Precision Optics Corporation, Inc. designs, develops, manufactures, and sells specialized optical and illumination systems and related components primarily in the United States. The company offers medical instrumentation products, including endoscopes and endocouplers, as well as other custom imaging and illumination products, such as Microprecision lenses and micro medical cameras, and 3D endoscopes for use in minimally invasive surgical procedures by hospitals and physicians. It also provides components and assemblies for industrial and military use. It markets its products to medical device companies. Precision Optics Corporation, Inc. was incorporated in 1982 and is based in Gardner, Massachusetts.