Sierra Construction Corporation was a Las Vegas, Nevada-based construction company established in 1953 by Bill Koerwitz, president and field supervisor, and Gus Rapone, executive vice president and job procurer and estimator. Kitty Rodman joined the company shortly after its establishment as director, secretary-treasurer, and office manager. Additional long-time employees of the company include Patricia Badame, executive assistant to Kitty Rodman, and Jerry Koerwitz, executive assistant to Gus Rapone.