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.

Casio Computer Co., Ltd. engages in the manufacture and sale of watches and personal electronic equipment. It operates through the following segments: Consumer, Systems Equipment, and Others. The Consumer segment provides watches, clocks, electronic dictionaries, calculators, label printers, and electronic musical instruments. The Systems Equipment segment offers handy terminals, electronic cash registers, data projectors, and management support systems. The Others segment includes molds and molded parts. The company was founded by Tadao Kashio in April 1946 and is headquartered in Tokyo, Japan.

Kawai Musical Instruments Manufacturing Co., Ltd. engages in the manufacture and sale of musical instruments. It operates through the following segments: Musical Instruments and Education, Material Processing, and Others. The Musical Instruments and Education segment manufactures and sells musical instruments and sheets and software for music education. It also provides music and physical education classes. The Material Processing segment handles metal material processing for electronic and automobile parts. It also offers soundproof rooms and acoustic materials. The Others segment includes information-related, financial-related, and insurance agency businesses. The company was founded by Koichi Kawai on August 9, 1927 and is headquartered in Hamamatsu, Japan.

Goertek Inc. was established in June 2001, and listed on the Shenzhen Stock Exchange in May, 2008. Goertek currently holds the largest market value among acoustic companies on the Shenzhen Stock Exchange. As a leading innovative Chinese high-tech company, Goertek’s main focuses consist of R&D, production and sales of electro-acoustic components, optical components, electronic accessories and related products. Goertek provides vertically integrated total solutions and services to globally-renowned companies such as: Samsung, Sony, Microsoft, Huawei and Xiaomi to name a few. Since Goertek's establishment in 2001, Goertek has high performance with a consistent and rapid growth rate. By the end of 2015 sales revenue had exceeded over 13.7 billion RMB (total assets 19.2 billion RMB). By market share, Goertek is a top ranked company in the miniature microphone manufacturing industry. Goertek is the top ranked company in ODM manufacturing for Bluetooth headsets, gaming accessories (including controllers) and mid-end and high-end VR products. By market share, Goertek ranks second in miniature speaker/receiver manufacturing. Goertek ranks third in smart band ODM manufacturing. Goertek has received the following prestigious awards: National Electronic Information Industry Business Model Award, Governor of Shandong Province Quality Award, Shandong Province Science and Technology Progress Award as well as others. As part of our integrated multi-technology product development strategy, Goertek has established long-term strategic partnerships with leading universities and research institutions, such as: Tsinghua University, Beihang University, Nanjing University, The Institute of Acoustics of the Chinese Academy of Sciences, Beijing University of Posts and Telecommunications, Shandong University and many others. Goertek is dedicated to basic and advanced research in the electro-acoustic technology field – constantly searching for innovative cutting-edge technologies for new product development. Goertek has established the Acoustics Laboratory of Communication with the Chinese Academy of Sciences, Joint Laboratory of Communications Technology with Beijing University of Posts and Telecommunications, Enterprise Technology Center in Shandong Province, Shandong Saving Sound Engineering Research Center, National and Local Joint Engineering Laboratory and other research organizations. Our transformation and innovation capabilities enable us to achieve so much more than many others in the broader acoustic/non-acoustic electronics production industry. This effectively advances vertical integration and incorporation of components, as well as android-based operating systems and acoustic algorithms into components (or finished products). Because of vertical integration all of the finished products we produce have some (or all) components manufactured in our precision factories. Thanks to incredibly fast production of automated machinery and rapid re-purposing strategies our company can quickly mass produce electronics. To remain ultra-competitive we've spent a good amount of money on R&D to develop some of the Smart Strategies that we've created to continue to be a four-runner in the Smart Era of acoustics (and overall electronics industry). These strategies are: Smart Wearables, Smart Entertainment, Smart Audio and Smart Home. Through offering very competitive as well as comprehensive compensation packages, Goertek is able to recruit and retain ideally talented individuals and teams. Goertek leadership is focused on using skillful and strategic forecasting methods to develop current-market needed technologies and methodologies that exceed client expectations. Fully fusing health, beauty and advanced technology through connecting people, nature, the world and future trends is how Goertek will become one of the world’s leading enterprises in the information industry. “We make it together.”

Roland Corp. engages in the manufacture, sale, import, and export of electronic musical instruments, equipment, and software. Its products include piano, organ, synthesizer, keyboard, guitar, drums, and amplifier. The company was founded by Ikutaro Kakehashi on April 18, 1972 and is headquartered in Hamamatsu, Japan.

Tonwel Co. Ltd. is a Chinese private company located in Ningbo. The firm manufactures and sells auto parts.

Arkamys’ research started with a patented process for sound spatialization that enhances the sound experience for digital media from music to movies. Famous movies like Subway, Dirty Dancing, and Bagdad Café were mastered using this process. The original ARKAMYS team was comprised of acoustic researchers, sound engineers, and composers who called the legendary Château d’Hérouville their home. The studio at Château d’Hérouville welcomed such stars as the Bee Gees, David Bowie, Pink Floyd, and even Elton John who recorded the album “Honky Chateau”. The team at Château d’Hérouville and the studio itself had a unique ability to help propel artists to the top of the charts.

Guangzhou Jieshilai Electronics Co., Ltd., established on 1999-10-21, Business scope includes manufacturing of audio equipment;Wholesale of electronic products;Commodity retail trade(Except for licensed and approved products);Import and export(Excluding franchised products);Technology Import and Export;

Modex is a mortgage recruiting and research platform. They provide technology and data transparency to employers and loan officers in order to improve employer-employee relationships. Users of Modex can perform research, filter and search results, and connect in real time.

Jetvox Acoustic Corp. engages in the research and development, manufacture, and sale of electro-acoustic products. It focuses on micro-speaker, sound tuning, earphone, and headphone. Its products portfolio includes in-ear earphone, ear hook earphone, and headset headphone. The company was founded on January 17, 2006 and is headquartered in Taoyuan, Taiwan.

Manufactures aircrafts and aircraft parts and equiplments

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.

Shenzhen Shuyuan Technology Co., Ltd., established on 2015-03-06, Business scope includes general business items:Wearable audio and video product software and hardware,Vehicle Electronics Software and Hardware,Audio and video electronic products hardware and software,Digital headset software and hardware,Wireless transmission of software and hardware of electronic products,Mobile Phone Accessories,Data line technology development and sales;Domestic Trade;Import and export of goods and technology.(law,Administrative regulations,Except for items prohibited by the State Council,Restricted projects must obtain a license before operating),The licensing program is:Wearable audio and video product software and hardware,Vehicle Electronics Software and Hardware,Audio and video electronic products hardware and software,Digital headset software and hardware,Wireless transmission of software and hardware of electronic products,Mobile Phone Accessories,Production of data lines.

Wuxi Jeff Electroacoustic Co., Ltd., established on 1997-11-28, Business scope includes research and development of electronic components and electronic products,design,processing,Manufacturing and sales;plastic products,Ordinary machinery,Mold production;CNC Metal Cutting;Operating the export business of self-produced products and related technologies of the enterprise and its member enterprises(Except for goods that the state restricts the company to operate or prohibits export),Operate the production of the enterprise and its member enterprises,Raw and auxiliary materials needed for scientific research,Equipment,Instrumentation,Import business of spare parts and related technologies(Except for goods that the state restricts the company to operate or prohibits imports),Operating the enterprise's processing with imported materials and"Three to one make up"business.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Yamaha Corporation (ヤマハ株式会社 Yamaha Kabushiki Gaisha) (/ˈjæməˌhɑː/; [jamaha]) is a Japanese multinational corporation and conglomerate with a very wide range of products and services. It is one of the constituents of Nikkei 225 and is the world's largest piano manufacturing company. The former motorcycle division was established in 1955 as Yamaha Motor Co., Ltd., which started as an affiliated company but later became independent, although Yamaha Corporation is still a major shareholder.

Speaker Electronic (Jiashan) Co. Ltd. is a Chinese private company located in Jiaxing. The firm manufactures and distributes speakers and woofers.

Brother Industries, Ltd. engages in the manufacture and sale of communication, printing, and electronic products and instruments. It operates through the following segments: Printing and Solutions Business, Personal and Home Business, Machinery Business, Network and Contents Business, Domino Business and Others. The Printing and Solutions Business segment offers printers, all-in-ones, fax machines, and electronic stationeries. The Personal and Home Business segment composes of sewing products, which include home sewing and embroidery machines. The Machinery Business segment supplies industrial sewing machines, garment printers, reducers, gears, and machine tools. The Network and Contents Business segment provides karaoke systems, content-delivery systems, and content services. The Domino Business segment offers coding, marking, and digital printing equipment. The Others segment engages in the sale and leasing of real estate. The company was founded by Kanekichi Yasui in April 1908 and is headquartered in Nagoya, Japan.

Ningbo Shengya Electronics Co., Ltd., established on 1999-11-23, Business scope includes speakers,Speakers and their spare parts,Electronic Component,Manufacturing of hardware,processing;trumpet,speakers,Loudspeakers and their spare parts,Electronic Component,Hardware products,active speaker,Combination lighting and sound products,food,daily necessities,cosmetic,cleaning supplies,Chemical raw materials(Removal of hazardous chemicals)Wholesale(but involves quota license management,Commodities managed by special regulations shall be handled in accordance with relevant state regulations);Self-operated and agent import and export business of various goods and technologies(Except for commodities and technologies that are restricted or banned from import and export by the state);Sound system development and design.

Foshan Yifeng Electric Appliance Industry Co., Ltd., established on 2004-07-28, Business scope includes stage lighting equipment,Commercial and Residential Lighting,Audio and video equipment and its system integration,LEDlamps,Production of related supporting equipment and electrical appliances,processing,lease,Sales and after-sales service;Electronic software and hardware,Development of network software,to develop,Sales and after-sales service;Stage lighting,Audio equipment,Lighting equipment,Installation service of automation equipment;Intelligent installation engineering service;Mechanical Engineering Design Services;Wholesale of general machinery and equipment,retail,Import and export and related supporting business(Does not involve restricted classes,Prohibited and state-operated trade management goods,Involving special regulations and quotas,of license-managed goods,Apply in accordance with relevant national regulations).(The above projects do not involve special management measures for foreign investment access).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)