MOUNTAIN VIEW, Calif.--(BUSINESS WIRE)--ProTrials Research, Inc.TM, a leader in the clinical research organization industry, today announced the company made the 2008 Inc. 5000 list of the fastest-growing private companies in the United States. With 125 percent sales growth over the last three years, The Inc. 5000 ranked ProTrials at number 2,858 and number 40 in the top 50 businesses in the San Jose-Sunnyvale-Santa Clara, CA area.