 Massa - http://www.massa.com Designer and manufacturer of electroacoustic products including sensors, transducers, and ultrasonics. |
 Wisdom Plus Sdn Bhd - http://www.wisdomplus.com Manufacturer of buzzers and telephone ringers. |
 Union Enterprise Co - http://www.unionetrade.com/ Piezo buzzer and element for all kinds of alarm, home appliances and security system. |
 Ormal Electronics Limited - http://www.ormal.co.uk Offers piezoelectric cable sensors for impact sensing, acoustic transducers and perimeter security. |
 Changzhou Union Electronics - http://www.china-buzzer.com Manufacturers of buzzers and speakers used in computer modems, mobile phones, cordless phones and pagers. |
 Kaili Electrionic Factory - http://www.kaili-buzzer.com/ Manufacturers of buzzers, plug and jack, audio/video cables, fuse box. Jiangsu, China. |
 Lubell Labs Inc. - http://www.lubell.com/ Manufacturer of underwater loudspeakers, underwater speakers, and piezoelectric underwater audio transducers. |
 JL World Corporation Ltd - http://www.jlworld.com/ Manufacturer of sound generators and microphones. |
 Ningbo East Electronics - http://www.east-mingtao.com/ Chinese Manufacturer of piezo ceramic electroacoustic products such as buzzers, ringers, alarms, transmitter and receivers. |
 APC International, Ltd. - http://www.americanpiezo.com A manufacturer of piezoelectric ceramics and piezoelectric products for customers in aerospace, automotive, consumer, engineering and design, industrial, manufacturing, medical products, military. |
 Chintele Quartz Technology Co Ltd - http://www.chintele.com A Chinese manufacturer of piezoelectric quartz, quartz products and single crystal optical products for use in the telecommunications and general time and frequency industries. |
 Britek SA, Inc. - http://www.briteksa.com/ A line of ultrasonic transducers specialize in thickness gauge, flaw detection, nuclear transducers, and custom built transducers. |
 Hanics - http://www.hanics.com/ Manufacturer of microphones and speaker units for communication and audio products. |
 Myntahl Corp. - http://www.myntahl.com/ Manufacturer of buzzer, alarm, piezo alarm, electronic buzzers, alarm annunciator, siren, magnetic alarm transducers and external-driven piezo. |
 Beijing Dongfang Jinrong Ultrasonic Electrical Equipment Co.,Ltd. - http://www.chinapiezoceramic.com A manufacturer of ultrasonic equipment producing piezoelectric ceramic transducers and ultrasonic devices. |
 Changzhou Xichun Electronics Co., Ltd. - http://www.xichun-buzzer.com/ Manufacturer of buzzers and electronic acoustical components. Product photos and specifications. |
 Shianlin Electronic Co., Ltd. - http://www.sunnytec.com.tw/ Manufacturer of piezo transducers, chips and powder. From Tiawain. |
 SPL Ltd. - http://www.spl-hk.com.hk Manufacturer of buzzers, transducers, speakers, receivers, microphones, ultrasonic sensors, connectors, cable assemblies, wire harness. Factories are located in China. |
 Unique Sound Co., Ltd. - http://www.unique-sound.co.kr Specialist manufacturer of SMD audio transducers. |
 Eleceram Technology Co. Ltd. - http://www.eleceram.com.tw/ Manufacturer of piezoelectric ceramics, piezoelectric transformers and ultrasonic transducers. Includes product data sheets and company news. |
 Tibbetts Industries, Inc. - http://tibbettsindustries.com Developer and manufacturer of miniature electromagnetic and electro-acoustical transducers typically used by the hearing aid, medical device, and security industry. |
 Guangzhou Sound-Tech Electronic Co., Ltd - http://www.sound-tech.com.cn/indexe.html Manufacturer of piezo ceramic electroacoustic products such as buzzers, ringers, alarms and transmitter/receivers. |