Widex A/S manufactures and distributes hearing aid devices for adults, babies, infants, and older children. It offers various types of hearing aids, such as completely-in-canal, receiver-in-the-ear, receiver-in-canal, and behind-the-ear hearing aids. The firm sells products under brand names such as Inteo, ALKIA, FLASH, Senso, Bravissimo, Bravo, SCOLA, and CAMISHA. The company was founded by Christian Topholm and Erik Westermann in 1956 and is headquartered in Lynge, Denmark.

Sivantos Pte Ltd. manufactures and markets hearing instruments. Its products include receiver-in-canal (RIC) hearing aids, behind-the-ear hearing instruments, In-the-ear hearing instruments, pocket hearing instrument, hearing instruments for kids & teens, hearing protection, wireless accessories and handling videos. The company was founded in 1974 and is headquartered in Singapore.

Oticon A/S manufactures equipment and devices for the hearing-impaired. It develops wireless systems, design solutions, and conventional hearing aids. The company sells its products under the brand names Epoq, Delta, Syncro, Safran, Sumo DM, Tego, and Go Pro. Oticon was founded in 1904 and is headquartered Smorum, Denmark.

Ensoniq Corp., part of Creative Technology Ltd., is an American company located in Malvern, PA. The firm makes audio and sound technology products. On January 09, 1998 Creative Technology Ltd. acquired Ensoniq Corp. for $77 million.

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.

Sivantos GmbH engages in the development, production, and distribution of hearing aids. It also offers accessories, adjustment software, and smartphone apps. The company was founded by Werner von Siemens in 1878 and is headquartered in Erlangen, Germany.

Advanced Bionics Corporation develops implantable neurostimulation devices. The company develops and manufactures cochlear implants. Its devices restore hearing in the deaf and alleviate chronic pain. Advanced Bionics Corporation was founded in 1993 and is headquartered in Valencia, California with additional offices in Rixheim, France; Valencia, California; and Tokyo, Japan.

Jiangsu Betterlife Medical Co. Ltd. manufactures surgical and medical equipment. Its products include hearing aid, hearing loss, tinnitus and hearing loss prevention. The company is headquartered in Beijing, China.

Intricon Corp. engages in the design, development, engineering, manufacture, and distribution of miniature and micro-miniature body-worn devices. It operates through the Body-Worn Device and Hearing Health Direct-To-End Consumer segments. The Body-Worn Device segment comprises medical, hearing health, and professional audio markets. The Hearing Health Direct-To-End Consumer segment provides advanced hearing products such as ultra-miniature volume controls and trimmers, custom amplifiers, and custom, completed hearing instruments. The company was founded in 1930 and is headquartered in Arden Hills, MN.

Valencell produces the most accurate wearable biometric sensor systems in the world – making them the leaders in biometric technologies and design. Valencell develops performance biometric sensor technology and provides this patent-protected technology to consumer electronics manufacturers, wearables and hearables developers, medical device makers, and sports and fitness brands for integration into their products. Valencell’s technology can be used in wearables and hearables for virtually anyone, anywhere, doing anything. Their technology is scalable to multiple form-factors such as earbuds, smartwatches, armbands and wrist devices. Valencell’s technology has been used in devices from HUAWEI, Sony, LG, Bose, Jabra, Suunto, Scosche, and many more.

Shenzhen Huiye IoT Technology designs and develops solutions and services for the needs of Internet of Things. It has its headquarters in Shenzhen in China.

Henan Zero To One Electronic Technology Co., Ltd., established on 2015-04-01, The scope of business includes engaging in technology development in the computer field,technical consulting,Technology Transfer and Technical Services.

GN Hearing A/S develops and sells hearings aids and tools for measuring loss of hearing capability. It provides solutions for all types of ear-related diagnostics and distributes computerized audiology and hearing-instrument fitting equipment. The company was founded in 1957 and is headquartered in Ballerup, Denmark.

Xiamen Xinsheng Technology Co., Ltd., established on 2004-05-12, Business scope includes1,Production and operation of various hearing aids,earphone,Hearing testing equipment and related electroacoustic products;2,Development of audio signal processing communication software;3,Provide relevant technical consultation and agency services for the above products;4,Import and export of various commodities and technologies(Import and export commodity catalog is not attached),Except for the goods and technologies that the state restricts the company to operate or prohibits the import and export of.

Orinfin is a developer and manufacturer of chips and acoustic micro-electromechanical systems. The company's chips and devices can be applied in consumer electronics, the Internet of Things, automobiles, security, and many other fields, providing clients with piezoelectric film and acoustic technology support.

SureFire provides illumination tools and gears designed to meet the demanding needs of high-risk professionals. It designs and manufactures illumination tools and tactical equipment. The company’s illumination tools include flash, weapon, helmet, wrist, law enforcement, search and spot, next generation, V-series IR, and fire rescue lights, as well as headlamps; and tactical equipment that comprises sound suppressors, muzzle brakes and flash hiders, magazines, adapters for X-series lights, rapid transition sights, and hearing protection products. It also offers parts, accessories, pens, apparel, and batteries; and various training courses, including training in firearms and edged weapons, unarmed defensive and combative techniques, law enforcement and military low-light tactics, and tactical and protective driving. SureFire is a U.S.-based company that was founded in 1979 by John Matthews.

Xi'an Herry Electronic Technology Co., Ltd., established on 2014-07-03, Business scope includes general business items:Research and development of electronic technology,Technology Promotion,technology transfer;electronic product,Computer software and auxiliary equipment,Green facilities,Equipment(Does not contain special mechanical equipment),building materials(wood removal),Production and sales of hardware;advertising design,make,release,acting.(The above business scope excludes the special control and pre-licensing projects stipulated by the state)