Ultrasonic Energy Systems (USA)
Manufacture ultrasonic generators and provide support for the exploration of the physical, chemical and biological effects of ultrasound.
http://www.ultrasonic-energy.com/index.shtml

MicroPropulsion Corp (USA)
Ultrasonic motors, piezoelectric transformers, miniature generators.
http://www.micropropulsion.com/

Super Ultrasonic Co., Ltd
Super Ultrasonic Co., Ltd. Manufacturers - full automatic bubble envelop making machine, automatic file clip making machine, servo control,computer style data pocket sealing and cutting machine, non-woven t-shirt bag making machine, file index making machine, automatic business file folder making machine, pocket filter making machine, cd sleeve making machine, mask heating and forming machine products for wholesalers, importers, volume buyers.
http://www.supersonics.com.tw/

Courtyard Electronics
Courtyard Electronics is a dynamic, highly efficient producer of electronic equipment for the broadcast television industry. Our current product range includes Sync Pulse Generators, Test Pattern Generators, Colour Correctors, Character Generators, On-Air Clocks, Logo Generators, Serial Digital Legalisers and VT Clocks. Products are available for both NTSC & PAL
http://www.courtyard.co.uk/

Sonic Systems
Designer and supplier of ultrasonic transducers and generators . Includes a technical paper on horn design . United Kingdom.
http://sonicsystems.co.uk/

Chao Tung Ultrasonic Enterprise Co., Ltd. (Taiwan)
allproducts.com - Chao Tung Ultrasonic Enterprise Manufacturer - ultrasonic generator products for wholesalers, importers, volume buyers.
http://www.allproducts.com/ee/chaotung/supplier.html

Americas Generators
Industrial diesel generators from 20kW to 2000kW. Hundreds in stock for immediate delivery. 800-424-0007
http://www.gopower.com/

Information Unlimited
Information Unlimited, ultrasonics, ultrasonic devices, ultrasonic blaster, ultrasonic generator, cold steam, atomize, water, sonic shockwaves
http://www.amazing1.com/ultra.htm

Fair Manufacturing
A complete line of generators for diesel and PTO powered applications.
http://www.standbygenerators.com/

Beijing Dongfang Jinrong Ultrasonic Electrical Equipment Co.,Ltd.
北京东方金荣超声电器有限公司,WY-4000系列稳压阀,WL-5000系列稳流阀,ZF-6000系列针形阀,QH-7000系列切换阀,QYB-9000系列采样泵,KG系列开关阀,分析仪器零配件设计开发制造
http://www.chinapiezoceramic.com