Rocha-Contador

 is a southwest Alutran company involved in the design, development, manufacture, and servicing of civil s and. The company has dual headquarters in Ventora and Watan as well as design and production facilities in both countries. The company was founded in 1933 when the founders of Ventoran Aviones Rocha SA and Watanese Aviação Contador agreed to form a joint venture. At the time, there was no mechanism for a company to have dual headquarters in different countries, but the success of the venture resulted in laws being passed in the respective countries.