Dugan mixers have become essential components of CBS Late Night with David Letterman and Oprah. Hollywood Squares said they couldn't do the show without it. "Dugans" are used for public affairs programs at WABC in New York, WETA (Washington Week), and WVIZ in Cleveland. The major staging contractors like A&M, Alford Media, AudioTek, AV Concepts, AVHQ, AVPS, BBI Engineering, Clair Soundworx, Clark Media, Creative Technology, Hi-Tech Rentals, LMG, Masque Sound, McCune A/V, OSA International, PLS Staging, Precise Corporate Staging, PRG Audio, Production Plus, The Show Department, Show Sound, T.C. Furlong, Ultrasound, Video Equipment Rentals, Vista Productions and Visual Horizon Communications don't leave home without them.