The Sound Machine, Lafayette, CA 94549, US

Based in Pleasant Hill, Calif., Denon & Doyle Disc Jockey Company is one of the largest and most referred mobile disc jockey companies in Northern California. The company has been operational since 1984, offering a wide range of services, such as digital photo bar, lighting, trussing, shadow dancing, dance cubes, karaoke, American idol contest and candy art. In addition, Denon & Doyle Disc Jockey Company provides contestant/team game show set complete with electronic scoring and lock-out buzzer system. Diablo magazine and the San Francisco Chronicle have honored the company by voting it as the Best Disc Jockey.