1. PRA Heath Sciences, Lenexa, KS 66219, USA
2. PPD, Wilmington, NC 28401, USA
3. Intertek Pharmaceutical Services, LCMS, San Diego, CA 92121, USA
4. Covance Laboratories Inc., Bioanalytical Chemistry, Madison, WI 53704, USA
5. Celerion Inc., 621 Rose Street, Lincoln, NE 68502, USA
6. Charles River Laboratories, Wilmington, MA 01887, USA
7. ICON plc, Whitesboro, NY 13492, USA