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CUI Global, Inc., through its subsidiaries, engages in the acquisition, development, and commercialization of power and electromechanical components worldwide. The company operates in two segments, Power and Electromechanical, and Energy. The Power and Electromechanical segment offers power solutions that consists of external and embedded ac-dc power supplies, dc-dc converters, and intelligent control of energy products; components, including connectors, speakers, and buzzers; and control solutions comprising encoders and sensors, which addresses power and related accessories to consumer electronics, medical, and defense industries. The Energy segment provides natural gas infrastructure and advanced technologies, including metering, odorization, remote telemetry units, and a range of personalized gas engineering solutions to the gas utilities, power generation, emissions, manufacturing, and automotive industries. CUI Global, Inc. was founded in 1998 and is based in Tualatin, Oregon.

Richardson Electronics, Ltd. provides engineered solutions, power grid and microwave tube, and related consumables worldwide. The Power and Microwave Technologies segment manufactures electron tubes and RF, Microwave and power components for semiconductors; and manufacturing equipment, RF and wireless and industrial power applications, as well as various applications including broadcast transmission, CO2 laser cutting, diagnostic imaging, dielectric and induction heating, energy transfer, high voltage switching, plasma, power conversion, radar, and radiation oncology. This segment also provide thyratrons and rectifiers, power tubes, ignitrons, magnetrons, phototubes, microwave generators, ultracapacitor modules, and liquid crystal display monitors under the Amperex, Cetron, and National brands. Its Green Energy Solutions segment offers design-in support, systems integration, prototype design and manufacturing, testing, logistics and aftermarket, and technical service and repair services for various applications, such as wind, solar, hydrogen, and electric vehicles; and other power management applications that support green solutions including synthetic diamond manufacturing. The Canvys segment provides customized display solutions, which includes touch screens, protective panels, custom enclosures, All-In-One computers, specialized cabinet finishes and application specific software packages, and certification services for corporate enterprise, financial, healthcare, industrial and medical original equipment manufacturers markets. Healthcare segment provides diagnostic imaging replacement parts for CT and MRI systems; replacement CT and MRI tubes; CT service training; MRI coils, cold heads and RF amplifiers; hydrogen thyratrons, klystrons, magnetrons; flat panel detector upgrades; pre-owned CT systems; and additional replacement solutions. The company was founded in 1947 and is headquartered in LaFox, Illinois.

Surge Components, Inc., together with its subsidiaries, supplies electronic products and components. It offers capacitors, which are electrical energy storage devices; and discrete semiconductor components, such as rectifiers, transistors, diodes, circuit protection devices, and audible components comprising audible transducers, Piezo buzzers, speakers, and microphones. The company also provides resonators, alarms, chimes, filters, and discriminators, as well as fuses, printed circuit boards, and switches. Its products are used in the electronic circuitry of various industries, including automotive, computer, communications, cellular telephones, consumer electronics, garage door openers, security equipment, audio equipment, telecom products, computer related products, power supply products, utility meters, and household appliances. The company sells its products to original equipment manufacturers and distributors through independent sales representatives or organizations in Canada, China, other Asian countries, South America, and Europe. Surge Components, Inc. was incorporated in 1981 and is headquartered in Deer Park, New York.

Taitron Components Incorporated engages in the supply of original designed and manufactured (ODM) electronic components, and distribution of brand name electronic components. The company distributes discrete semiconductors, commodity integrated circuits, optoelectronic devices, and passive components. It also offers value-added engineering and turn-key solutions focusing on providing contract electronic manufacturers (CEMs) and original equipment manufacturers (OEMs) with ODM products for their turn-key projects. The company serves other electronic distributors, CEMs, and OEMs in the United States, South Korea, China, Taiwan, and internationally. Taitron Components Incorporated has strategic allies with Teamforce Co. Ltd.; Grand Shine Management; and Zowie Technology Corporation. The company was incorporated in 1989 and is headquartered in Valencia, California.

TESSCO Technologies Incorporated engages in manufacture and distribution of technology products and solutions for wireless infrastructure market in the United States and internationally. It operates in two segments, Carrier and Commercial. The company offers base station infrastructure products, including base station antennas, cable and transmission lines, small towers, lightning protection devices, connectors, power systems, enclosures, grounding products, jumpers, miscellaneous hardware products, and mobile antennas to build, repair, and upgrade wireless broadband systems. It also provides network systems products, such as fixed and mobile broadband radio equipment, wireless networking filtering and distributed antenna systems, two-way radios, and security and surveillance products. In addition, the company offers installation, test, and maintenance products comprising analysis equipment; and various frequency, voltage, and power-measuring devices, as well as tools, hardware, GPS and safety products, and replacement and component parts and supplies to install, tune, and maintain wireless communications equipment. The company sells its products to carrier and public network operators, tower owners, program managers, contractors and integrators, private system operators, federal governments, state and local governments, manufacturers, national solutions providers, and value-added resellers under the Ventev brand. TESSCO Technologies Incorporated was founded in 1982 and is headquartered in Hunt Valley, Maryland.