Designs and manufactures custom lighted and unlighted aircraft instrument panels and electronic switch controls. Based in Newcastle, Washington, United States.

Manufacturer of a zero drag stall warning system for gliders and light aircraft. Located in Belgique, France.

Manufacturer of the Tangent Flight Computer. Located in Healdsburg, California USA.

Providing aircraft instrument sales and service. Based in Montrose, Colorado, United States.

Flight instruments and accessories for paragliders, hang gliders and ultralight aircraft. Located in Weilheim, Germany. [In German and English]

Develops and distributes FAA approved products for aircraft bleed air, fuel, and cabin pressurization systems. Located in Northridge, California USA.

Providing sales of a cabin pressure altitude monitor and warning system. Based in Grenola, Kansas USA.

Offering refinishment, repairs, and manufacturering of dials, data-plates, instrument panels. Based in Kalamazoo, Michigan USA.