Precision Research, founded in 1959 as Precision Interviewing Service, is one of the leading marketing research data collection companies in Illinois. The company offers a wide variety of data collection services to its clients, such as qualitative research services, telephone interviewing, central location intercept interviewing and store audits. It also specializes in executive and medical interviewing, prerecruited central location testing, mystery shopping, taste tests, data tabulation, and large-scale audience studies. The company performs qualitative and quantitative research design and analysis, national and international field study coordination, and data processing. Its clients include large manufacturers and service companies to small advertising agencies, marketing research companies, and marketing consultants. Precision Research is located in Des Plaines, Ill.