YESCO is a privately owned manufacturer of electric signs based in Salt Lake City, founded by Thomas Young in 1920. The company provides design, fabrication, installation, and maintenance of signs.

Many notable sign projects have been produced by YESCO, including the NBC Experience globe in New York City, the historic El Capitan Theatre and Wax Museum marquees in Hollywood, the Reno Arch, and in Las Vegas, Vegas Vic, the Fremont Street Experience, the Astrolabe in The Venetian, the Wynn Las Vegas resort sign, and the Aria Resort & Casino.