Abbott Laboratories
Adobe Systems, Inc.
AES Cilco Energy Delivery Unit
AES Corporation
AES Intricity, Inc.
Aetna Foundation
Ajacs Die Sales Corporation
Allegheny Power
Allegheny Teledyne
Alliant Techsystems
Altria Group, Inc.
American Express Co.
American Retail Group, Inc.
Amgen Foundation, Inc.
Apple Computer
Arco Chemical Co.
Armco
Arthur J. Gallagher
Automatic Data Processing
Avon Products, Inc.
AXA Foundation
Baker Hughes Foundation 
Bank of America
Barclays Global Investors
Bay Networks
Bayer Co.
BD Matching Gift 
Becton Dickinson
Bell Atlantic
Berkshire Life
BEST Business Forms
Bill & Melinda Gates Foundation
BindView Development 
Bitterman Scale Company 
Black & Decker
Blackbaud Inc.
Boeing Emp. Credit Union
BP Foundation, Inc. 
Cadence Design Systems, Inc.
Capital Group Companies, Inc.
CBS, Inc.
Channel Craft
Charles Schwab Corp.
Chevron Texaco
Chicago Title & Trust Co
Chubb and Son, Inc.
CIGNA Foundation
Cisco Systems
CITGO Petroleum Foundation 
Citicorp/Citibank N.A.
CNA Insurance Co.
CNG Foundation
Commercial Federal Bank

Compaq Computer Corp.
(Hewlett-Packard)
Computer Associates Int'l
Corning Inc. Foundation
Deluxe Corp Foundation
Dictaphone Corporation
Digital Equipment Corp.
East Suburban Medical Supply
Eaton Corp.
Emerson Electric Co.
ETNA
Express Financial Services Inc
Exxon Corporation
Federated Dept. Store
Fireman's Fund Insurance
|Gartner Group
General Electric
General Mills
Glaxo SmithKline
Glaxo Wellcome
Goodrich Corporation
H & R Block, Inc.
H. J. Heinz Company
Hewlett-Packard Co.
Highmark BC/BS
Home Depot
Honeywell
Integra
John Hancock Financial Services
Johnson & Johnson
Johnson Controls Foundation
Kaufmann's
Kemper Insurance
Kennametal
Kimberly-Clark Foundation
Levi Strauss & Co.
Lotus Development Corp.
Lucent Technologies
MasterCard International
May Company Foundation
Maytag Corp. Foundation 
Mazda (North America) Inc.
McDonald’s Corp.
McDonnell Douglas Corp.
McGraw Hill Companies   Foundation
Mead Corp.
Mellon Bank
Merck
Merrill Lynch & Co.
Microsoft Giving Campaign   Program

Mistubishi International Corp. Mobil Oil Corp.
Morgan Stanley & Co., Inc.
National City Bank of PA
NCR
New Balance Athletic Shoe
Nike, Inc
Norfolk Southern Corporation
Nynex
Oracle Corporation 
Pennsylvania Power Company
PepsiCo.
Pfizer Inc
Pitney Bowes
PNC Bank Corporation
PNC Foundation 
Polaroid Corp.
PPG
PPG Industries Foundation 
Procter & Gamble
Prudential Foundation
Quaker Oats Co.
Quality Dry Cleaners
Rag American PAC
Rockwell Intern'l Corp. Trust
Sara Lee Corp.
Schreiber Industrial Park Nort
Sedgewick James
SGI Matching Gift Program 
Shearson Lehman Brothers, Inc
Sherwin-Williams Co.
SmithKline Beecham
Sony
Spice Entertainment
Sprint Foundation
Starbucks Matching Gifts   Program 
Stride Rite Corp.
Subaru of America
Sun Microsystems Foundation
Sysco
Texas Instruments Foundation
The Carson Group
The Hillman Company
The Medicine Shoppe
The St Paul Companies
Time Warner Cable
UPS
US Bancorp Foundation
Verizon
W. K. Kellogg Foundation 
Westinghouse