Caltech
Ernst & Young
Levi Strauss & Co
Footlocker
MassMutual Financial Group
Pacific Business Group on Health
Praxair Corporation
Preferred Medical Plan
Prudential Insurance Company of America
Ross Stores
Self Insured Schools of California
Steamfitters Industry Fund
University of Southern California
Gaylord Entertainment and Hotels, US Airways, JetBlue, PepsiCo, Coca Cola Bottling, Anheuser Busch, Chevron, ConocoPhillips, ConAgra Foods, Milwaukee County, State of New Jersey, Public School Employees Retirement System (PSERS), School Employer Association of CA (SEAC), National Drug Purchasing Coalition (over 20 Fortune 100 companies)