Stockton's premier signage and advertising company. Sign City employs the latest technology in digital printing to provide you with a fast and cost effective solution to get your organization's message across clearly.. A-Frames,Architectual Signage,Commercial Real Estate,Floor Graphics,Laptop Skins,Vehicle Wraps & much more! Serving Stockton,Galt,Lodi,Manteca,Modesto,Tracy & Surrounding area!