1. MRL, Analytical Research & Development, Merck & Company, Inc., 126 East Lincoln Avenue, Rahway, New Jersey 07065, United States
2. Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
3. Amgen Inc., 1 Amgen Center Drive, Thousand Oaks, California 91320, United States
4. AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
5. ABV1—Mettawa, 26525 North Riverwoods Boulevard, Mettawa, Illinois 60045, United States
6. Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877, United States
7. SPEX CERTIPREP, 203 Norcross Avenue, Metuchen, New Jersey 08840, United States