Mars Advertising Group is a full service marketing and advertising company that provides its clients with an array of services including sports, lifestyle and even marketing, custom publishing, consumer research, media services and retail marketing. The firm s client list includes Kitchen Aid Home Appliances, Fresh Express, Tums, Kroger, Safeway, Albertsons Walmart and Little Caesars. Mars has more than 15 offices including operations in Philadelphia, Phoenix and San Francisco. The firm also offers online proposal requests. The firm has a staff of more than 300 and is headquartered in Southfield, Mich. The firm was established in 1973.