Amarex Clinical Research LLC - Germantown, Maryland

Clinical Research Philadelphia - Philadelphia, Pennsylvania

Emerson Clinical Research Institute - Washington, District of Columbia

Richards Medical Research Laboratories - Philadelphia, Pennsylvania

Flourish Research - Philadelphia - Plymouth Meeting, Pennsylvania

Suburban Research Associates - Media, Pennsylvania

National Disease Research Interchange - Philadelphia, PA

Laboratory for Research on the Structure of Matter - Philadelphia, Pennsylvania

CenExel HRI Marlton - Marlton, New Jersey

NASA Langley Research Center - Hampton, Virginia