GISI Marketing Group is a different kind of marketing company. We are designers, printers, sign makers and installers, web de ... velopers, bindery technicians, direct mail experts, fulfillment specialists, and most importantly – dedicated client advocates. Founded in 1968 and locally owned, GISI Marketing Group continues to be a leader of integrated marketing services. Our marketing, graphic design and web development are at the forefront of our client offerings. Yet, the integration of our printing and finishing, signs and displays, mailing services, custom packaging, fulfillment services, and overall consultative approach to our clients’ needs allow us to simplify the marketing process for you. read more