Leuze electronic are specialists in sensors and offer a line of optical-electronic products that include safety light curtains and grids, laser area scanners, a full line of sensor products, bar code readers, and  positioning systems using barcode or laser measurement technology. Their PROFIsafe safety sensors include safety laser scanners, light beams and light curtains.

ISE Controls is a distributor of safety sensor products such as light curtains, interlocks, laser scanners, relays and 3D vision systems. Manufacturers include Pilz, SICK and Euchner.

Reer manufactures optoelectronic safety sensors, light curtains and grids, monitoring sensors, laser scanners, and dedicated interface modules for the OEM market.

PCC Professional Controls offers Leuze Electronic optoelectronic safety sensor systems, including safety laser scanners, light curtains, switches and relays.

Rockwell Automation's safety sensor products include light curtains, safety edges and mats, and laser scanners. Safety switches include limit and interlock switches. Safety light curtains are photoelectric presence sensors that protect personnel from hazardous machine motion.

Banner Engineering is a manufacturer of type 2 and 4 safety light curtains, type 3 laser scanners, interlock switches, modules and controllers, and machine safety accessories. Safety light curtains protect personnel from injury by guarding points of operation.