The Miller Group's history in St. Louis dates back to 1904, when the company was operated locally as Multiplex Display Fixture Co. The Miller Group acquired Multiplex in 1998.

Randy Castle is president of The Miller Group’s St. Louis-area division, which formerly was known as Multiplex Display Fixture Co. The Miller Group acquired Multiplex in 1998.

The Miller Family and Miller Sports and Entertainment has completed the acquisition of a controlling interest in Real Salt Lake and the Utah Royals, according to a statement released by RSL on Friday.