Maritz Inc., based in Fenton, Mo., is ranked No. 157 on the most recent Forbes list of 500 Biggest Private Companies. Maritz is the largest source of integrated performance improvement,travel and market research services globally. The company provides market research, communications,learning solutions, incentives, event management, awards and recognition, travel and customer loyalty programs. Maritz has 20 operating companies located in the United States, Canada,Mexico, the United Kingdom, France, Spain, Germany, and Italy.