| Name | Country | Market Cap (US$) |
|---|
| 3D Systems GmbH | Germany | Private |
| 3M Argentina S.A. | Argentina | Private |
| A Tree Co., Ltd. | South Korea | Private |
| A&R Cambridge Limited | United Kingdom | Private |
| A-Max Technology (China) Ltd. | China | Private |
| A-Max Technology Company Limited | Hong Kong | Private |
| Aarohi Communications, Inc. | United States | Private |
| ABABOU ELECTRONICS SARL | Algeria | Private |
| ABLEX LTD | United Kingdom | Private |
| Actuality Systems, Inc. | United States | Private |
| Adam Hall GmbH | Germany | Private |
| Advanced Products & Technologies Inc | United States | Private |
| AEG Hausgerate GmbH | Germany | Private |
| Aiwa America, Inc. | United States | Private |
| Aiwa Co., Ltd. | Japan | Private |
| Akai Electric France | France | Private |
| Akai France S.A. | France | Private |
| Alcatel Maroc | Morocco | Private |
| ALLEN & HEATH LTD | United Kingdom | Private |
| Almo Corporation | United States | Private |
| Alphatec Electronics Public Co, Ltd | Thailand | Private |
| Alpine Electronics Manufacturing of America, Inc | United States | Private |
| Alpine Electronics of America Inc. | United States | Private |
| Alpine Europai Elektronikai Ipari Korlatolt Felelossegu Tarsasag | Hungary | Private |
| Amarillo Hardware Company | United States | Private |
| Amber OOO | Russia | Private |
| Ampa Investment Ltd | Israel | Private |
| Anhui Kangjia Electronics Co., Ltd. | China | Private |
| Anhui Tianfu Electronic (Group) Co., Ltd. | China | Private |
| Anixter Bros Inc | United States | Private |
| AOC International Company, Ltd. | Taiwan | Private |
| Apex Digital Inc | United States | Private |
| APPIED MAGNETICS KOREA LTD | South Korea | Private |
| Arapua Importacao e Comercio S.A. | Brazil | Private |
| Arista Records Inc. | United States | Private |
| Arizona Wholesale Supply Company | United States | Private |
| Artel Video Systems, Inc. | United States | Private |
| Asea Brown Boveri SGPS S.A. | Portugal | Private |
| ASK INDUSTRIES SPA | Italy | Private |
| ASK INDUSTRIES SPA | Italy | Private |
| Atlantic Records Corporation | United States | Private |
| ATMACA ELEKTRONIK SANAYI VE TICARET LTD STI | Turkey | Private |
| Audio Design Services Limited | United Kingdom | Private |
| Audio Products International Corp | Canada | Private |
| Audio Research Corporation | United States | Private |
| Audio Visual Machines | United Kingdom | Private |
| Audio-Technica U.S., Inc. | United States | Private |
| Audiotronics Corporation | United States | Private |
| AUDIVIC S.A. | Argentina | Private |
| AWA Ltd. | Australia | Private |
| Axxessit ASA | Norway | Private |
| Baker Electronics Inc | United States | Private |
| Balhae Electronics (Huizhou) Co., Ltd. | China | Private |
| Baron International Limited | India | Private |
| BBK AV Electronics Corp. Ltd. | China | Private |
| Behringer Spezielle Studiotechnik GmbH | Germany | Private |
| Beijing Aidefa Technology Co., Ltd. | China | Private |
| Beijing Jvc Electronic Industry Co., Ltd. | China | Private |
| Beijing Tongfang Gigamega Technology Co., Ltd. | China | Private |
| Bernie's Audio Video TV Appliance Company, Inc. | United States | Private |
| Betteri TIM ZAO | Russia | Private |
| beyerdynamic GmbH & Co. | Germany | Private |
| Biamp Systems Corporation | United States | Private |
| Blaupunkt GmbH | Germany | Private |
| Blaupunkt-Werke GmbH | Germany | Private |
| Blue Microphones | United States | Private |
| BMG Entertainment | United States | Private |
| Bogen Communications Inc | United States | Private |
| Bogen Corporation | United States | Private |
| Bokks AB | Sweden | Private |
| Bosch Communications Systems | United States | Private |
| Bosch Security Systems B.V. | Netherlands | Private |
| Bose Automotive GmbH | Germany | Private |
| Bose Corporation | United States | Private |
| BOSE LTD | United Kingdom | Private |
| Bose Ltd. | Republic of Ireland | Private |
| Boston Acoustics, Inc. | United States | Private |
| BPL SANYO TECHNOLOGIES LIMITED | India | Private |
| Braun Inc. | United States | Private |
| Bulbtronics Inc. | United States | Private |
| Bush Radio Plc | United Kingdom | Private |
| BVTS OOO | Russia | Private |
| C.A. Electrolux | Venezuela | Private |
| Cain & Bultman Inc. | United States | Private |
| Cambridge SoundWorks, Inc. | United States | Private |
| Canton Elektronik Gmbh &Co. | Germany | Private |
| Capitol Multimedia, Inc. | United States | Private |
| Capitol Records Inc. | United States | Private |
| Carrier Mexico S.A. de C.V. | Mexico | Private |
| Casio Inc. | United States | Private |
| CAV Audio (Guangzhou) Co., Ltd. | China | Private |
| CEF Holdings Ltd. | United Kingdom | Private |
| Cenicone Co Ltd | South Korea | Private |
| Centurion Electronics plc | United Kingdom | Private |
| Cerwin-Vega Inc | United States | Private |
| Chadwick-Miller Inc. | United States | Private |
| CHAMS NIGERIA PLC | Nigeria | Private |
| Chang'an Xunda Electronics Factory | China | Private |
| Changzhou Haotai Electronics Co., Ltd. | China | Private |
| Changzhou Xingqiu Electronic Co., Ltd. | China | Private |
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