Banner Engineering Corp.: Manufactures integrated line of photoelectric sensors and machine safety products. Features new products, buy online, list of sales offices worldwide, and data sheets.
Baumer Electric: Manufactures a range of sensors including inductive, capacitive, photo electric, and ultrasonic. Includes product catalog and data sheets.
Honeywell Inc.: Manufacture a range of ultrasonic position sensors. Includes typical applications, installation instructions, product catalog, and technical data.
Hyde Park Electronics Inc.: Manufacture a range of ultrasonic sensors and transducers. Features product specifications, applications, and a distributor locator.
Lucas Power and Control Ltd.: Supply proximity switchs, optical switches, ultrasonic, inductive and sonar sensors. Includes product features and specifications.
Migatron: Manufacture ultrasonic sensors. Features product data sheets, applications, and capabilities. Includes an ultrasonic technology overview.
Senix Corporation: Manufacture ultrasonic distance sensors for machinery and industrial automation including motion and loop control, liquid and solid levels, and proximity sensing. Includes applications and technology.
SNT Sensortechnik AG: Supply ultrasonic proximity switches and level detectors. Includes product applications and technical data in pdf format.