Omron carries an array of safety switches designed to work together with hinged, sliding, or lift-off guards and barriers; when the guard is opened, the power supply to the machine is disconnected.  They offer both compact and non-compact rope pull safety interlock switches for mounting widths as small as 40 mm, rated to IP67 (NEMA6), and rope spans up to 200 m. Guard door locking safety switches are also available.

Allen-Bradley offers interlock, trapped key, and safety limit safety switches. The interlock switches come in tongue interlock, guard locking, non-contact, and hinge configurations, and offer different options on how the switch can be operated and mounted on the guard. Safety limit switches are available in two styles: IEC or NEMA.

Allied Electronics sells safety switches from a long list of manufacturers, including STI, Microswitch, Banner Engineering, Hermetic Switch, and Omron. Products come in an assortment of contact forms, from 1 NC/NO to 2NC/1NO BBM; various voltage and current ratings; mounting types such as DIN rail, door, and panel; and termination options like cable, M16 + NPT adapter, M20 + NPT adapter, and screw. Many switches also come IP66 or IP67 rated, and RoHS compliant.

EE Controls specializes in safety interlock switches, rope pull switches, and other machine safety switches to protect personnel from hazardous machinery. Interlock switches are available with NEMA 4- or 12-rated thermoplastic bodies with door-holding force ratings of 2, 7, or 22 lbs., or with metal bodies with up to 23 lbs. of holding force.

Honeywell Sensing & Control offers Micro Switch safety switches in every size for both end users and OEM. Options include miniature switches (<50 mm) for smaller doors and openings, trapped key and solenoid key switches for large, heavy doors, cable pull switches for conveyor or perimeter guarding, and non-contacting switches for small door position detection. These switches, made from everything from plastic to die-cast zinc, provided mechanical life from 1 million up to 15 million, cable length as long as 10 m (prewired), and ampere rating ranges from 1 to 100 mA low energy, to 50 mA to 10 A thermal.

Schmersal offers a full line of point of operation machine guarding products, such as keyed interlock switches, hinged interlock switches, and safety-rated limit switches. Safety-rated limit switches include the Z/T235, which is available with a choice of six standard actuators that are mountable in any of four 90-degree positions, and the Z332, which is housed in rugged metal and IP65 rated.

IDEM specializes in safety interlock switches, including tongue, solenoid locking, rope, non-contact, and explosion-proof ATEX switches. Mechanical interlock switches include Kobra tongue switches in three types: KM provides 3 or 4 pole contact blocks and die cast metal housing; KP offers 3 features entries and polyester body, as well as explosion-proof contact block versions; and IDIS-1 is a compact version with positive opening safety contacts to IEC 947-5-1. Additionally, the hinged IDIS-2 provides 180-degree contact operation at 5 degrees, a rugged plastic body, and metal enclosure protected to IP66/67. For most models, conduit entries are fitted to M20 or 0.5".