Advanced Technologies and Laboratories, Inc.
American Association of Blood Banks
Birch & Davis Associates, Inc., a subsidiary of ACS, Inc.
Johns Hopkins Medical Services Corporation
Johnson, Bassin & Shaw, Inc.
ResCare, Inc.
Research Triangle Institute
Value Behavioral Health
West Virginia Medical Institute
Westat

Humanitas, Inc.
1100 Wayne Avenue
Suite 650
Silver Spring, MD 20910