Aerosonic Corporation is engaged in manufacturing and selling aircraft instruments. The Company designs and manufactures both mechanical and digital altimeters, airspeed indicators, rate of climb indicators, microprocessor controlled air data test sets, and a variety of other flight... more

Located in Vista, California, Sandel Avionics, Inc, is a privately held company specializing in compact integrated display systems for general aviation, business aviation, air transport and regional aircraft. Sandel's first product, the SN3308 Primary Navigation Display, helped the... more

Since its formation, Sigma Tek has continued to manufacture and distribute aviation instruments, accessories and control panels to the worldwide aviation industry. We are continuously conducting research and development for improvement of our current product line as well as for the... more