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.

Elma Electronic Inc. designs and manufactures rotary switch types including: coded switches, encoders, selector switches, audio switches, push-pull switches, tactile-push switches, dip switches, slide switches, and toggle switches. The various switches feature switching torques from 0.5 Ncm to up to 20 Ncm. Several of the rotary switches are intended for rugged environments and have any operating temperate of up to -40C to 85C.

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.

Grayhill manufactures single-deck and multi-deck rotary switches that feature ratings of 200mA, 0.25 amp, 1 amp or 10 amps. The various rotary switches also feature 1 to 6 poles and 1 to 12 decks. The company's rotary switches are used in radio frequency selection, navigation and communication equipment, precision test and measuring equipment, sound mixing and editing consoles, voice and data communications, military radios and receivers, automotive climate control, entertainment systems, and musical instrument controls.

c3ontrols manufactures on-off and changeover cam switches, multi-step cam switches, ammeter switches, voltmeter switches, and motor reversing cam switches. The company also produces cam switches for load break applications. The various switches are available with up to 10 poles and 6 positions. The switches are rated up to 32A, and rated Type 1, 3, 3R, 12 and IP65.