Keysight Technologies, Inc. provides electronic design and test solutions to commercial communications, networking, aerospace, defense and government, automotive, energy, semiconductor, electronic, and education industries in the Americas, Europe, and the Asia Pacific. The company operates in two segments, Communications Solutions Group and Electronic Industrial Solutions Group. It offers electronic design automation (EDA) software; instrument measurement software, instrument workflow software, and software testing; digital multimeter, phase noise measurement, power meters and power sensors, counters, LCR meters and impedance measurement products, and electrometers; and spectrum analyzers, network analyzers, logic analyzers, protocol analyzers and exercisers, bit error ratio testers, noise figure analyzers, AC and DC power analyzers, materials test equipment, device current waveform analyzers, and curve tracers. The company also provides waveform and function generators, arbitrary waveform generators, DC power supplies, and DC electronic loads; wireless drive test, radio access and core network test, wireless analyzers, wireless network emulators, and over-the-air test; application and threat intelligence, cloud test, cyber training simulator, network test hardware, synthetic traffic generators, protocol and load test, network security test, and network modeling; bypass switches, clock synchronization, cloud visibility, network and application monitoring, network packet brokers, and network taps; and application-specific test systems, photonic test and measurement products, and MMIC millimeter-wave and microwave devices. In addition, it offers product support, technical support, installation, training, engineering, and integration services. The company sells its products through direct sales force, distributors, resellers, and manufacturer's representatives. Keysight Technologies, Inc. was founded in 1939 and is headquartered in Santa Rosa, California.

ESCO Technologies Inc. produces and supplies engineered products and systems for industrial and commercial markets worldwide. It operates through three segments: Aerospace & Defense, Utility Solutions Group, and RF Test & Measurement. The Aerospace & Defense segment designs and manufactures filtration products, including hydraulic filter elements and fluid control devices used in commercial aerospace applications; filter mechanisms used in micro-propulsion devices for satellites; and custom designed filters for manned aircraft and submarines. It also designs, develops, and manufactures elastomeric-based signature reduction solutions for U.S. naval vessels; and mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for the aerospace and defense industries. The Utility Solutions Group segment provides diagnostic testing solutions that enable electric power grid operators to assess the integrity of high-voltage power delivery equipment; and decision support tools for the renewable energy industry, primarily wind and solar. The RF Test & Measurement segment designs and manufactures RF test and secure communication facilities, acoustic test enclosures, RF and magnetically shielded rooms, RF measurement systems, and broadcast and recording studios; and RF absorptive materials, filters, antennas, field probes, test cells, proprietary measurement software, and other test accessories to perform various tests. The company distributes its products through a network of distributors, sales representatives, direct sales teams, and in-house sales personnel. The company was incorporated in 1990 and is based in Saint Louis, Missouri.

Vicor Corporation, together with its subsidiaries, designs, develops, manufactures, and markets modular power components and power systems for converting electrical power in the United States, Europe, the Asia Pacific, and internationally. The company offers a range of brick-format DC-DC converters; complementary components provide AC line rectification, input filtering, power factor correction, and transient protection; and input and output voltage, and output power products, as well as electrical and mechanical accessories. It also design, sells, and service custom power systems solutions. The company serves independent manufacturers of electronic devices, original equipment manufacturers, and their contract manufacturers in the aerospace and aviation, defense electronics, satellites, factory automation, instrumentation, test equipment, transportation, telecommunications and networking infrastructure and vehicles, and transportation markets. Vicor Corporation was incorporated in 1981 and is headquartered in Andover, Massachusetts.

Benchmark Electronics, Inc., together with its subsidiaries, offers product design, engineering services, technology solutions, and manufacturing services in the Americas, Asia, and Europe. The company provides engineering services and technology solutions, including new product design, prototype, testing, and related engineering services; and custom testing and technology solutions, as well as automation equipment design and build services. It also offers electronics manufacturing and testing services, such as printed circuit board assembly and test solutions, assembly of subsystems, circuitry and functionality testing of printed assemblies, environmental and stress testing, and component reliability testing; component engineering services; manufacturing defect analysis, in-circuit testing, functional testing, and life cycle testing services, as well as environmental stress tests of assemblies of boards or systems; and failure analysis. In addition, the company provides precision machining and electromechanical assembly services; and subsystem and system integration services, including assembly, configuration, and testing for various industries. Further, it provides value-added support systems; supply chain management solutions; direct order fulfillment; and aftermarket non-warranty services, including repair, replacement, refurbishment, remanufacturing, exchange, systems upgrade, and spare parts manufacturing throughout a product's life cycle. The company serves original equipment manufacturers in the aerospace and defense, medical technologies, complex industrials, semiconductor capital equipment, telecommunications, and advanced computing industries. It markets its services and solutions primarily through a direct sales force. The company was formerly known as Electronics, Inc. Benchmark Electronics, Inc. was founded in 1979 and is headquartered in Tempe, Arizona.

Bel Fuse Inc. designs, manufactures, markets, and sells products that power, protect, and connect electronic circuits. The company's products are used in the networking, telecommunications, computing, general industrial, high-speed data transmission, military, commercial aerospace, transportation, and e-Mobility industries. It provides power solutions and protection products, including front-end power supplies, board-mount power products, industrial and transportation power products, external power products, and circuit protection products. The company also offers connectivity solutions, such as expanded beam fiber optic connectors, cable assemblies, and active optical devices; copper-based connectors/cable assemblies; radio frequency connectors, cable assemblies, microwave devices, and low loss cables; and ethernet, I/O, and industrial and power connectivity products. In addition, it provides magnetic solutions comprising integrated connector modules, power transformers, SMD power inductors and SMPS transformers, and ethernet discrete components. The company sells its products through direct strategic account managers, regional sales managers working with independent sales representative organizations, and authorized distributors in the United States, the People's Republic of China, Macao, the United Kingdom, Slovakia, Germany, India, Switzerland, and internationally. Bel Fuse Inc. was incorporated in 1949 and is headquartered in West Orange, New Jersey.

Astronics Corporation, through its subsidiaries, designs and manufactures products for the aerospace, defense, and electronics industries in the United States, rest of North America, Asia, Europe, South America, and internationally. The company operates in two segments, Aerospace and Test Systems. The Aerospace segment offers lighting and safety systems, electrical power generation systems, distribution and seat motions systems, aircraft structures, avionics products, system certification, and other products. This segment serves airframe manufacturers (OEM) that build aircraft for the commercial, military, and general aviation markets; suppliers to OEMs; and aircraft operators, such as airlines; suppliers to the aircraft operators; and branches of the U.S. Department of Defense. The Test Systems segment designs, develops, manufactures, and maintains automated test systems that support the aerospace and defense, and mass transit industries, as well as training and simulation devices for commercial and military applications. It serves OEMs and prime government contractors for electronics and military products. Astronics Corporation was incorporated in 1968 and is headquartered in East Aurora, New York.

Key Tronic Corporation provides contract manufacturing services to original equipment manufacturers in the United States and internationally. It offers integrated electronic and mechanical engineering, assembly, sourcing and procurement, logistics, and new product testing services. The company's services include product design, surface mount technologies and pin through hole capability for printed circuit board assembly, tool making, precision plastic molding, sheet metal fabrication and painting, liquid injection molding, complex assembly, prototype design, and full product assembly services. It markets its products and services primarily through field sales people and distributors. Key Tronic Corporation was incorporated in 1969 and is headquartered in Spokane Valley, Washington.

Servotronics, Inc. designs, manufactures, and markets servo-control components and other technology products for aerospace, military, and medical applications in the United States and internationally. It offers high-performance servo valves, including torque motor, hydraulic, and pneumatic valves. The company offers its products to products are sold to commercial aerospace, government, medical, and industrial markets. The company was incorporated in 1959 and is headquartered in Elma, New York.