Alamo Airways

Alamo Airways was a small air taxi company in Las Vegas during the 1940's through the 1960's. It's owner, George Crockett, opened the Alamo Airport to run Alamo Airways. The site of the Alamo Airport would eventually become the McCarran Airport, with Alamo Airways running out of the new airport until 1967. In 1967, Howard Hughes bought their facility.

Source:

Hall-Patton, Mark. “Online Nevada Encyclopedia.” One Nevada Encyclopedia - McCarran International Airport, September 27, 2010. https://www.onlinenevada.org/articles/mccarran-international-airport.