Accenture Foundation, Inc.
Advanced Petroleum Services, Inc.
Aegon Transamerica Foundation
Aetna Life & Casualty
AGM Welding
Alcoa Foundation
Alliance Coal, LLC
Allstate Insurance Company
Aramark Corporation
AstraZeneca Pharmaceutical LP
Bank of America
Bechtel Bettis, Inc.
BNSF Railway
BNY Mellon
Boeing Company Charitable Trust
Bon Ton Stores Foundation
Burlington Northern Santa Fe Foundation
C.R. Bard Foundation
ChevronTexaco Corporation
Cigna Corporation
Citizens Financial Group Inc.
Coca-Cola Enterprises
Computer Associates International, Inc.
ConocoPhillips
CONSOL Energy, Inc.
Deloitte
Deutsche Bank Americas Foundation
Development Dimensions International
Dollar Bank
Dominion Foundation
Eaton Corporation
Equitable Resources, Inc.
Erie Insurance Group
Ernst & Young LLP
Fifth Third Bank
First Data Corporation
FirstEnergy Foundation
Fluor
Follett Corporation
General Electric Company
General Mills, Inc.
GlaxoSmithKline Foundation
Grant Facility Management
Guardian Life Insurance Co.
H.J. Heinz Company Foundation
Hartford Insurance Group
Highmark, Inc.
The Hillman Company
IBM Corporation
Ingersoll-Rand Company
ITW Foundation
John Hancock Matching Gifts Program
Johnson & Johnson
JPMorgan
KPMG Peat Marwick
Kraft Foods
Macy's
Marmon/Keystone Corporation
Marsh USA Inc.
May Dept. Stores Company
McKesson Foundation, Inc.
Merrill Lynch & Co, Inc.
Michael Baker Corporation
Morgan Stanley Dean Witter
National City Bank
National City Bank of PA
Nationwide Mutual Insurance Company
Nissan North America, Inc.
Novus International, Inc.
Occidental Petroleum Corp.
PNC Foundation
PPG Industries Foundation
Praxair
PricewaterhouseCoopers LLP
Progressive Insurance Foundation
Quest Diagnostics
Raytheon Company
Reynolds American Incorporation
Roche Corporation
Shell Oil Company
Sherwin-Williams Company
Siemens Westinghouse Power Corp.
Sprint Corporation
State Farm Insurance Companies
State Street Corporation
The Warranty Group
United Parcel Service of America, Inc.
United States Steel Foundation Inc.
URS Corporation - Washington Division
Verizon Foundation
W.W. Grainger Inc.
Wachovia Bank of Georgia, N.A.
Washington Group Foundation, Inc.
WellPoint Foundation
Wells Fargo Bank, N.A.