Cole Instrument Co. produces custom switches for military, aerospace, and commercial applications. Military switch types available include push-to-actuate rotary switches, BCD rotary pull/push switches, and solder lug switches. The aerospace switches include a switch assembly that features two PC mount rotary switches and one push-button switch. The company's aircraft cockpit starter switch exceeds MIL-PRF-8805 requirements.

Shallco Inc. designs and manufactures custom switches including detented power switches, power rocker switches, precision rotary switches, snap-action power switches, and auxiliary switches.

Haydon custom designs and manufactures single pole/single throw push button switches, rotary switches, rugged interlock switches, and push button switches. The various produces can be available as normally closed or normally open versions, or as environmentally or hermetically sealed switches.

Judco Manufacturing Inc. produces UL, CSA and automotive-certified custom switches including push button switches, rocker switches, slide switches, toggle switches, and tact switches.