Hughes Aircraft Company provides aerospace and defense contract services and products in the United States. It was founded as a division of Hughes Tool Company. Its products include the Hughes H-4 Hercules ""Spruce Goose"" aircraft, the atmospheric entry probe carried by the Galileo spacecraft, and the AIM-4 Falcon guided missile. Hughes Aircraft Company was established in 1932 by Howard Hughes in Glendale, California. It was acquired by General Motors from the Howard Hughes Medical Institute in 1985.

Electro Scientific Industries, Inc. (ESI) is an American high technology company headquartered in the Portland, Oregon metropolitan area, more specifically in Washington County, in the unincorporated Cedar Mill area north of Beaverton, Oregon. It is a developer and supplier of photonic and laser systems for microelectronics manufacturers. Founded in 1944, it is the oldest high-tech company in Oregon. Along with Tektronix, and later Intel, it has spawned numerous technology-based companies in the Portland area, an area known as the Silicon Forest. From 1983 to 2019, shares in the company were publicly traded on NASDAQ, under the ticker symbol ESIO.

IPG Photonics develops and manufactures fiber lasers and amplifiers for diverse applications in numerous markets. Its diverse lines of low, medium and high-power lasers and amplifiers are used in materials processing, communications, entertainment, medical, biotechnology, scientific, and advanced applications. Its products are displacing traditional technologies in many current applications and enabling new applications for lasers. The company was founded in 1990 and is headquartered in Oxford, Massachusetts.

AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company, the largest provider of mobile telephone services, and the largest provider of fixed telephone services in the United States through AT&T Communications. Since June 14, 2018, it is also the parent company of mass media conglomerate WarnerMedia, making it the world's largest media and entertainment company in terms of revenue. As of 2018, AT&T is ranked #9 on the Fortune 500 rankings of the largest United States corporations by total revenue.

NUBURU provides a disruptive welding technology for battery manufacturing and 3D metal printing. It develops blue laser technology for materials processing applications across e-mobility, automotive, energy storage, aerospace, and additive manufacturing. The company also provides laser materials processing, including laser welding and additive manufacturing of copper, gold, aluminum, and other industrially important metals.

FANUC Corp. engages in the development, manufacture, sale, and maintenance of computer numerical control (CNC) systems, lasers, robot systems, robomachines, roboshot, robocut and nano robots. It operates through the following divisions: Factory Automation (FA), Robot, and Robomachine. The FA division manufactures CNC systems, CNC servo motors, and lasers. The Robot division markets industrial robots through its subsidiaries. The Robomachine division manufactures robodrill (compact machining centre), roboshot (electric injection molding machine), robocut (wire cut electric discharge machine) and roconsists (ultra precision machine). The company was founded by Seiuemon Inaba in1958 and is headquartered in Minamitsuru, Japan.

KLA Corp. engages in the supply of process control and yield management solutions for the semiconductor and related nano-electronics industries. The company operates through the following segments: Semiconductor Process Control, Specialty Semiconductor Process, PCB, Display & Component Inspection, and Other. The Semiconductor Process Control segment provides a comprehensive portfolio of inspection, metrology and data analytics products and related services. The Specialty Semiconductor Process segment develops and sells advanced vacuum deposition and etching process tools. The PCB, Display and Component Inspection segment enables electronic device manufacturers to inspect, test and measure PCBs, flat panel displays and ICs to verify their quality. Its products include manufactured chips, reticle, packaging, surface profilers, nanochemical testers, KT pro equipment, and compound semiconductors. The company was founded in April 1997 and is headquartered in Milpitas, CA.

nLIGHT, Inc. develops and manufactures semiconductor and fiber lasers components. Its products include semiconductor lasers, fiber lasers and optical fibers. It operates through the following segments: Laser Products and Advanced Development. The Laser Products segment includes products such as fiber lasers, diodes, complete laser systems and components. The Advanced Development segment includes the operating results of Nutronics since the date of acquisition. The company was founded by Scott H. Keeney, Mark DeVito and Jason Farmer in 2000 and is headquartered in Camas, WA.

IntraLase Corporation is a leader in the first step of LASIK surgery, the most common means of surgical vision correction. They design, develop and market a laser, related software and disposable devices used to create a cut of tissue across the cornea of a patient’s eye, or a corneal flap, which is the first step in LASIK surgery. Their advanced laser technology improves the safety, precision and visual acuity of LASIK surgery by providing a computer-controlled laser solution as an alternative to the traditional method of creating the corneal flap using a hand-held mechanical, metal-bladed device called a microkeratome. They believe their product offering will become the new standard of care for corneal flap creation. As of April 2, 2007, IntraLase Corp. was acquired by Advanced Medical Optics Inc.

II-VI Photonics, Inc., part of Coherent Corp., is a Chinese company located in Fuzhou. The firm supplies optical communications products.

Westinghouse Electric Company is the supplier of safe and innovative nuclear technology. Westinghouse Electric Company provides utility customers around the world with the most reliable, dependable nuclear power plants, nuclear fuel, plant automation and operating plant products and services. The company is driven by its history and experience, ground-breaking ideas, focus on safety and sustainability.

Amplitude Systèmes SA develops and manufactures diode-pumped ultrafast solid-state lasers. The firm’s products include amplifiers, fiber lasers, oscillators and extensions. The company is headquartered in Pessac, France.

Westinghouse Government Services Co. LLC provides defense-related operations management and environmental remediation services to the U.S. Department of Energy and Defense. The company is headquartered in Aiken, SC.

Han's Laser Technology Industry Group Co., Ltd. provides system solutions for lasers and automation technology. It operates through the following business segments: Laser and Printed circuit board (PCB). It offers laser and robotics system solutions, intelligent manufacturing services, laser engraving machines, laser welding machines, laser cutting machines, lasers and related components, and robot-related products. The company was founded by Yun Feng Gao in 1996 and is headquartered in Shenzhen, China.

Suzhou Leichuang Optoelectronics Technology Co., Ltd., established on 2011-03-04, Business scope includes technology development in the field of optoelectronic technology,technical consulting,technology transfer;Production of optoelectronic devices,Sales,lease;Metal parts processing.(The law in the aforementioned business items,Administrative regulations stipulate pre-licensing operations,restricted operation,Except for prohibited operations)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Gemfire Corporation combines an entrepreneurial atmosphere with an extensive technology base. Founded in 1995, Gemfire specializes in applying planar semi-conductor-type processing technology to create optical solutions for system integrators, through an innovative new family of high-performance telecom and specialty components. Currently, the company has primary operations in Livingston, Scotland (near Edinburgh), as well as aerospace support operations (and additional telecom manufacturing capabilities) in Fremont, California.

Elbit Systems Electro-Optics Elop Ltd. designs, engineers, manufactures and supports a range of electro-optic systems and products mainly for defense, space and homeland security applications. It specializes in supplying various turnkey and tailor-made integrated gunner and commander sight solutions. The firm creates designs which incorporate laser rangefinders, direct view observation, TV channels and a wide range of night vision capabilities. The company was founded in 1937 and is headquartered in Rehovot, Israel.