Detailed answer

The Welcome to Fabulous Las Vegas sign was built by the Western Neon company, a local sign manufacturer that was responsible for creating many of Las Vegas' iconic neon signs. The company was founded in the 1950s and was known for its high-quality signs, which were designed to be durable and long-lasting. The Welcome to Fabulous Las Vegas sign is one of the company's most famous creations, and it has become an iconic symbol of Las Vegas.