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.
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.