Appreciating Ad Art’s colorful history, smart innovation and brilliance of business for more than 80 years. By Katie Lee Ad Art is a national sign company doing business in all 50 states, with seven branch offices in California, Nevada and Texas. But these dry facts do not shine light on the brilliance of Ad Art’s long, colorful history. The first Ad Art launched in 1935 in Modesto, California. By the 1950s, the company was purchased and relocated 15 miles north to Stockton, California. Throughout the 1960s, Ad Art grew to …