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ABT Associates
Aetna, Inc.
Akamai Technologies, Inc.
Alere Inc.
Bank of New York Mellon
Biogen Idec, Inc.
Blue Cross Blue Shield of Mass., Inc.
Boston Community Capital, Inc.
Boston Medical Center Corp.
Bright Horizons Children’s Centers
Calvert Investments, Inc.
CBS Corporation
The Chubb Corporation
Communispace Corp.
Constellation Energy Group, Inc.
Diageo North America, Inc.
Eastern Bank Corp.
Exelon Corp.
FitCorp Healthcare Centers, Inc.
Gammelgården, LLC
Google Inc.
Integrated Archive Systems, Inc.
Kimpton Hotel & Restaurant Group,
Levi Strauss & Co.
Loring, Wolcott & Coolidge Trust,
Massachusetts Mutual Life Insurance
Massachusetts Envelope Company,
Massachusetts Financial Services
Microsoft Corp.
National Grid USA, Inc.
Nationwide Mutual Insurance Co.
New Balance Athletic Shoe, Inc.
New England Cryogenic Center, Inc.
NIKE, Inc.
The Ogilvy Group, Inc.
Onyx Pharmaceuticals, Inc.
Partners HealthCare System, Inc.
Reproductive Science Center of New England
Skyworks Solutions, Inc.
Starbucks Corp.
State Street Bank and Trust Co.
Stonyfield Farm, Inc.
Sun Life Financial (U.S.) Services
Time Warner Cable, Inc.
Trillium Asset Management Corp.
W/S Development Associates LLC
Xerox Corp.
Zipcar, Inc.