NKK Switches manufactures electromechanical switches including 10mm DIP, standard, half-inch diameter, miniature power level, miniature PCB and 8mm DIP rotary switches. Various rotary switches feature power levels up to 250mA, 10A and 30A, and can be bushing or PCB mounted. Logic levels include 100mA and 0.4 VA.

Shallco Inc. manufactures and distributes subminiature and open frame rotary switches. The 1/2-inch subminiature rotary switches feature a current carrying capacity of 3 amps, current switching capacity of up to 1 amp, and exceed the general requirements of MIL-S-3786/20 - a military specification. The subminiature rotary switches also feature a minimum rotational life of 25,000 cycles. The open frame rotary switches also meet military specificiations and can withstand moderate environments. These rotary switches feature a current carrying capacity of 10 amps and a current switch capacity of up to 2 amps.

Cole Instrument Co. specializes in developing various rotary switches including subminiature, subminiature shaftless, half-inch enclosed, inertia, one inch multi-deck enclosed, open frame and miniature multi-deck rotary switches. The company's electromechanical switches are for commercial, military and aerospace applications.

Esterline Technologies Corporation manufactures five series of rotary selector switches including printed circuit, military, power, micro, and miniature types. Electrical ratings for each rotary switch type vary from 3 amps and 8 amps to 10 amps and 25 amps.

All Electronics Corp. supplies rotary switches manufactured by Dreefs, Alpha, and Apem. The Dreefs rotary switch is an 8-position switch that is matrix encoded, while the Apem-brand switch is a miniature 16-position rotary switch. The Alpha rotary switch is a 12-position switch that is PC mount and features one pole.

Digitran develops rotary switches that feature a low profile, post panel depth; switching current from 0.125 amp 28VAC/DC, 3 amps continuous; and an operating life of 1,000,000 detent. The rotary switches come with a choice of 15, 30, 36, or 46-degree indexing angles. The switches also meet environmental requirements of MIL-DTL-3786.

ITW Switches designs and develops subminiature rotary switches that feature up to 8 positions and a life of 10,000 mechanical actuation. This rotary switch is used in communications equipment, cable TV equipment, circuit breakers, timers, and thermostatic controls applications.