Decision Analyst offers market research and consulting services to clients such as Radio Shack, Intel, Mannatech, and Schering-Plough. The company provides syndicated and custom research serving the packaged goods, telecommunications, retail, health care, and e-commerce industries. Its research services include data collection and analysis, covering such topics as advertising testing, strategy research, new product development, and marketing decision optimization. In addition, its statistical analysis software, STAT, allows the user to conduct significant testing, measure sample sizes, and generate random numbers.