ICON plc
- Leopardstown, Stillorgan-Leopardstown DED 1986, Blackrock, Dún Laoghaire-Rathdown, County Dublin, Leinster, Ireland
- +353 1 291 2000
- https://www.iconplc.com
Parexel International
- 2520, Meridian Parkway, Lowes Grove, Durham, Durham County, North Carolina, 27713, United States
- +1 919-544-3170
- https://www.parexel.com
Syneos Health
- Sync Street, Morrisville, Wake County, North Carolina, 27650, United States
- +1 919-876-9300
- https://www.syneoshealth.com
Medpace Holdings, Inc.
- Medpace, 5375, Medpace Way, Madison-Stewart Historic District, Madisonville, Cincinnati, Hamilton County, Ohio, 45227, United States
- +1 513-579-9911
- https://www.medpace.com
Worldwide Clinical Trials
- 3201 Beechleaf Court, Ct #600, Raleigh, NC 27604, United States
- +1 919-948-4300
- https://www.worldwide.com
PPD, Inc. (Thermo Fisher Scientific Clinical Research)
- Skyline Center, 929, North Front Street, Brooklyn, Wilmington, New Hanover County, North Carolina, 28401, United States
- +1 910-251-0081
- https://www.ppd.com