Abell Foundation

ADP

AEGON USA Inc.

Allstate Corporate

American Express Tax and Business

Aramark Corp.

AT&T

AXA Foundation

Baltimore Community Foundation

Bank of America

Bechtel Foundation

Becton Dickinson and Company

Bestfoods

Black & Decker

Boeing

Bristol-Myers

Charles Schwab & Co. Inc.

Ciena Corporation

Cisco Systems

Coca-Cola Co.

Constellation Energy Group

Crown Central Petroleum

Coca-Cola

CXS Transportation

Deloitte & Touche LLP

Deutsche Bank Americas Foundation

Enterprise Social Investment

Ernst & Young Foundation

Exxon Corporation

Fannie Mae

Federated Department Stores

First Data Corporation

Freddie Mac

Gap, Inc.

General Dynamics

General Electric

Guardian Life Insurance Co. of America

Hershey Foods

Hewlett-Packard

Home Depot

Houghton Mifflin Company

H&R Block Inc.

H.J Heinz Co.

IBM Corporation

Johnson & Johnson

JP Morgan Chase

Kraft Foods

Lincoln Financial Group

Lockheed Martin Corporation

Lucent Technologies

Massachusetts Mutual Life Ins.

May Department Stores

McCormick & Company

McDonald's Corp.

M&T Foundation

Mercantile-Safe Deposit & Trust Co.

Merrill Lynch & Co.

Metropolitan Life Foundation

Microsoft

Mobil Foundation

Morgan Stanley Dean Witter

Nationwide Insurance Foundation

New England Financial

NIKE Inc.

Northrup Grumman

Northwestern Mutual Life Foundation

Office Depot

Pepsi Co. Foundation

Procter & Gamble Fund

Prudential Securities

Revlon Inc.

Ryland Homes

Sallie Mae

Starbucks

State Farm Companies Foundation

St. Paul Companies

Struever Bros.

Subaru of America

SunTrust Bank

T. Rowe Price Associates

TransAmerica Corp.

United Parcel Service

Unilever United States Inc.

Union Pacific Corp.

Vanguard Group Inc.

Verizon

Walt Disney

Wells Fargo

Washington Post

Yum Brands (Taco Bell, Pizza Hut, KFC)

Zurich N.A. Foundation