Profile: Denco Sales specializes in offering equipment and supplies to manufacturers of signs, digital graphics and screen printing. Our commercial signs include vinyl, sign blanks, banners, plastic sheets, foam boards, metal & wood substrates, paint & painting supplies, magnetic rolls & tapes and plasticade frames. We also provide illuminated sign products such as ballasts, transformers, lamps/lamp holders/fixtures, LED lighting systems, wire/components, flashers, clocks and dimmers.