IFM Efector Inc. develops capacitive sensors used in general industrial environments and environments with hazardous locations. Available with M12, M18, M30, or large rectangular housings, the sensors are used for conveying, material handling, assembly, packaging and plastics, bulk powder conveying, chemical processing, and oil refining applications.

Capacitive proximity sensors supplied by c3controls are designed for severe industrial environments, and rated for Type 1, 2, 3, 3R, 4/4X, 6 , 6P, 12, 13, and IP67 applications. Featuring cylindrical housing, the sensors are constructed of nickel-plated brass, and available as 3-wire DC, 4-wire DC, 2-wire AC, 2-wire DC, or 2-wire AC/DC models.

Automation Systems Interconnect Inc. offers capacitive proximity sensors with metal or plastic housing. The metal housing sensors are available as 18 mm shielded or unshielded, and 30 mm shielded or unshielded models. The plastic housed sensors are available as 25 mm unshielded, 30 mm unshielded, 35 mm unshielded, and 40 mm unshielded types. The company also distribute high temperature-type proximity sensors.