Pinnacle Systems manufactures safety sensors and controls for industrial machine guarding systems. Products include safety light curtains, mat systems, palm buttons, PLC's/control systems, interlock switches, and fencing.

Honeywell manufactures and designs sensors and switches for machine safety, including electromechanical safety switches, electronic safety curtains, control modules, and more. All comply with most international standards.

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.

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.