APC International, Ltd., formerly American Piezo Ceramics, Inc. (est. 1986), is a leading supplier and distributor of piezoelectric ceramics and devices to US and international companies. APC International's piezoelectric powders, ceramics, and devices are used in a wide range of applications including: Ultrasonic medical transducers / ultrasound technologies Sonar and other defense related products Ultrasonic cleaning components Ultrasonic welding components NDT components Flow control products Level control products Accelerometers Proximity Sensors APC International's products support a wide range of industries including: Aerospace Automotive Consumer products Defense Engineering & design Industrial & manufacturing Medical devices / ultrasound technologies Research & development