Electro Sensors offers single relay output, dual relay output, ASi Network output speed switches. There are over a half dozen models of single relay output speed switches to choose from. Electro Sensors also offers speed sensors.

BWI Eagle manufactures speed switches and monitors of all types. The Eagle Tac Switch monitors speed and detects motion in all types of machinery. The Eagle Optima is a series of intrinsically safe critical speed switches.

Access Control Sales is a distributor of socket mounted, NEMA enclosed and hazardous location - zero, low, high and standard speed - speed switches from BWI Eagle. Socket mounted speed switches come with a DIN rail option. NEMA enclosed speed switches offer single, dual or triple channel formats. Speed monitors are available to monitor proportional speed drives. Overspeed monitors are also offered.

Schulze Manufacturing offers heavy-duty speed switches used on engines, buses, pumps, generator sets, process control, conveyors, off-highway and construction equipment. Features include high inductive load ratings of 15 amps at 6-14 volts DC and 10 amp at 24-30 volts DC. Its AC rating is 15 amps at 110/220 volts AC. These slow, high or standard speed switches offer weatherproof construction.