About Us Since 1989, Sign & Design U.S.A. Inc., has been supplying and repairing signs for businesses and individual residents in the Tampa Bay Area. Fully licensed and insured to work in Pinellas, Hillsborough and Pasco Counties, Sign & Design U.S.A. always guarantees the best quality and service at the lowest prices. Under the direction of a seasoned businessman, Sign & Design U.S.A. employees will provide you with price quotes, advise and assist you in any logo or design and create your sign any way you desire! Electrical Signs, Channel letter Pylon Neon Monument Blacklit Awnings Color Digital Construction Real Estate Magnetic Sign Vehicle Letters Window Letters Vinyl Banners.