American Research Bureau - Los Angeles, California

Pacific Clinical Research - Encino, California

Goldenfield Medical Research - West Covina, California

INSIGHT DATA - Los Angeles, California

Flourish Research - Los Angeles (Northridge) - Northridge, California

Michigan Research - Santa Monica, California

Zillan Clinical Research - Inglewood, California

UCLA Center for Pathology Research Services - Los Angeles, California

Miller Clinical Research - Los Angeles, California

National Institute of Clinical Research - Pasadena, California