Matsushita Electronics Corp. develops and manufactures electronic products. Its products include plasma TVs, DVD players, and digital cameras. It is a subsidiary of Matsushita Electric Industrial Co. Ltd. The company is headquartered in Osaka, Japan.

Aiphone Co., Ltd. engages in the manufacture and sale of intercom devices for single-detached houses, condominium residences, medical facilities, offices, and factories. It also offers installation, repair and related services. Its products include general, security and video intercom devices, electronic locking systems, nurse call and home care systems, and information transmission devices. Its operations are carried out through the following segments: Japan, America, Europe, Thailand, Vietnam, and Others (Australia, Singapore, and Shanghai). The company was founded by Toshio Ichikawa on June 1, 1948 and is headquartered in Nagoya, Japan.

S. Siedle & S��hne Telefon & Telegrafenwerke OHG, a subsidiary of GfS - Gesellschaft f��r Sicherheitssysteme mbH, is a company headquartered in Furtwangen, Germany. The firm manufactures and sells door, in-house and telecommunication systems, video surveillance and communication systems. Gabriele B. Siedle is currently the CEO of the company.

Neumann Elektronik GmbH is a German private company located in Ispringen. The firm manufactures electricity distribution and switching equipment. Marco Alvino is the current CEO, occupying that position since 2019.

Audio-Technica designs, manufactures, markets, and distributes wired and wireless audio equipment for home and professional use. The company’s portfolio of products includes microphones, headphones, noise-canceling headphones, wireless microphone systems, conference systems, mixers, turntables, phonograph cartridges, cables, and electronic products. Audio-Technica microphones have been used at several sports broadcasts, including the World Cup, the Super Bowl, the Commonwealth Games, the Summer Games, and the Winter Games. Audio-Technica was founded in 1962 by Hideo Matsushita and is headquartered in Tokyo, Japan with worldwide presence.

Yamaha Corp. engages in the manufacture and sale of musical instruments, audio equipment and electronic components. It operates through the following segments: Musical Instruments, Audio Equipment, and Others. The Musical Instruments segment provides piano, strings, percussion, wind, and electronic musical instruments. The Audio Equipment segment offers audio products, professional audio equipment, and telecommunications equipment. The Others segment deals with the electronic parts, automobile interior parts, factory automation equipment, golf equipment, and resort businesses. The company was founded by Torakusu Yamaha in November 1887 and is headquartered in Hamamatsu, Japan.

AAC Acoustic Technolgies (Shenzhen) Co., Ltd. is an electronic equipment manufacturing company in China. It offers acoustic miniature components of headsets, MP3 player & other consumer handheld devices. The company is headquartered in Shenzhen, CN.

Ningbo Yinzhou Alctron Electronics Co., Ltd. is a Chinese private company located in Ningbo that manufactures and wholesales capacitor recording microphones, digital recording equipment, monitor headphones, bracket accessories and other products.

Standard Telephones and Cables Ltd was a British telephone, telegraph, radio, telecommunications and related equipment R&D manufacturer.

Infineon Technologies AG engages in the provision of semiconductor and system solutions. It operates through the following segments: Automotive, Industrial Power Control, Power & Sensor systems, Connected Secure Systems, and Other Operating Segments. The Automotive segment designs, develops, manufactures, and markets semiconductor for automotive applications. The Industrial Power Control segment involves in the design, development, manufacture, and marketing of semiconductors for the generation, transmission, and economy in the use of electrical energy. The Power & Sensor systems segment includes design, development, manufacture, and marketing of semiconductors for energy-efficient power supplies as well as for mobile devices and mobile phone network infrastructures. The Connected Secure Systems designs, develops, manufactures, and markets semiconductor-based security products for card applications and network systems. The company was founded on April 1, 1999 and is headquartered in Munich, Germany.

REM Holdings 3 LLC is an American private company located in St. Louis, MO, that provides software development services.

Andrea Electronics Corp. engages in the design, development, and manufacture of digital microphone products and noise reduction software. It operates through the Patent Monetization, and Andrea Digital Signal Processing (DSP) Microphone and Audio Software Products segments. The Patent Monetization segment includes monetization revenues from intellectual property rights, licensing, and royalties. The Andrea DSP Microphone and Audio Software Products segment consists of Andrea Digital Super Directional Array microphone technology, Andrea Direction Finding and Tracking Array microphone technology, Andrea PureAudio noise filtering technology, and Andrea EchoStop, an acoustic echo cancellation technology. The company was founded by Frank A. D. Andrea Sr. in 1934 and is headquartered in Bohemia, NY.

Sanyo Semiconductor manufactures and provides semiconductor products. It develops integrating analog and digital systems, ultra-small transistors, hard-wired logic ICs, Bi-CMOS IC and analog-digital mixed IC, and thick film ICs that miniaturizes and reduces power consumption of electronic devices. The company also offers motor driver ICs for game machines, cell phones, and digital cameras; microcontrollers ICs; ASIC; digital power amplifiers; discrete devices; amorphous silicon solar cells or photosensors; original system in package technology ISB; hybrid ICs; flash memory products/EEPROM; ASSP; and system solutions. Sanyo Semiconductor's products are used in portable electronic devices, visual applications, audio equipment, data communication and processing, car applications, and home electric appliances. It sells its products in the United Kingdom, Denmark, Germany, Hong Kong, India, China, Taiwan, Malaysia, Singapore, Japan, Korea, and the United States. The company was founded in 2006 and is based in Oragun, Japan. As of January 3, 2011, Sanyo Semiconductor operates as a subsidiary of Semiconductor Components Industries.

Siemens AG is a technology company, which engages in the areas of automation and digitalization in the process and manufacturing industries, infrastructure for buildings and energy systems, mobility solutions for rail transport, and medical technology and digital healthcare services. It operates through the following segments: Digital Industries, Smart Infrastructure, Mobility, Siemens Healthineers, and Siemens Financial Services. The Digital Industries segment offers a product portfolio and system solutions for automation used in discrete and process industries. The Smart Infrastructure segment includes products, systems, solutions, services and software to support a transition from fossil to renewable energy sources. The Mobility segment combines all Siemens businesses in the area of passenger and freight transportation. The Siemens Healthineers segment develops, manufactures, and sells diagnostic and therapeutic products, and services to healthcare providers. The Siemens Financial Services segment focuses on financing solutions for Siemens’ customers as well as other companies in the form of debt and equity investments. The company was founded by Johann Georg Halske and Werner von Siemens on October 12, 1847 and is headquartered in Munich, Germany.

Victor Co. of Japan Ltd. manufactures and wholesales audio and video equipment and develops video game software. It also sells audio, visual, computer-related consumer, professional electronics, and media products. The company was founded on September 13, 1927 and is located in Yokohama, Japan.