We Are Visual. Spectrum Signs & Graphics (Formerly Print New Hampshire) is a full-service visual communication sign company and large format printer specializing in interior and exterior custom signage, architectural signage, wayfinding signage, custom ADA signage, retail and business signage, vehicle graphics, and large format printing including vinyl banners, window graphics, posters & prints, tradeshow display graphics and other custom fabricated sign products. Our capabilities include expert consultation and project management, graphic and environmental design, sign production, large format printing and 3M Certified Installation. We work with homeowners, design firms, retail franchises, realty management groups, construction companies and developers to manage and produce their signage. If you can dream it, we can print it! With an extensive production equipment base capable of printing up to 10 feet wide and almost infinite lengths, Spectrum can handle any project including installations from our 3M Certified team.