Clients
- 3M
- Abbott Laboratories
- Advanced Micro Devices (AMD)
- Allianz
- Allied Waste Industries
- Allstate Insurance
- The American Red Cross
- American Century Investments
- American Express
- AmerisourceBergen
- Ameritech
- Amoco
- Anheuser-Busch
- ARAMARK
- Arkema
- Armstrong World Industries
- AT&T
- Auntie Anne's
- BAE
- BASF SE
- BASF Corporation (USA)
- Bayer USA
- Black Hills Corporation
- The Boeing Company
- Bombardier Aerospace
- Bristol-Myers Squibb
- British Airways
- British Petroleum
- Carpenter Technology
- Chevron
- CIGNA Group Insurance
- Cisco Systems, Inc.
- Computer Sciences Corporation
- Conrail
- Continental AG
- Daimler-Benz, AG
- Devon Energy
- Digital Equipment Corporation
- DFG Group, Inc.
- Dover Corporation
- Eastman Kodak
- Ecolab
- LM Ericsson
- Excelon
- The Federal Reserve
- First Data Corporation
- Four Seasons
- Freightliner Corporation
- Fujitsu
- GPU
- Groupe Schneider NA
- Hallmark Inc.
- The Hartford
- Henkel KgaA
- Hewlett Packard
- Horace Mann Companies
- IBM
- Junior Achievement
- Kennametal
- The Limited
- Lockheed Space Operations Co.
- McDonald's
- McGraw-Hill Companies
- Mercedes Benz North America
- Mercedes Benz Credit Corp.
- Metromedia Restaurant Group
- Merck & Co., Inc.
- Motorola
- National Australia Group
- National Health Service (UK)
- National Science Foundation
- PECO Energy
- Commonwealth of Pennsylvania
- Payless ShoeSource
- Petron (Philippines)
- Philips Electronics NA
- PJM Interconnection
- PricewaterhouseCoopers
- Principal Financial Group
- Prudential
- Rockwell
- Rockwell Automation
- Rohm and Haas
- Saint-Gobain PPL
- The St. Paul Companies
- Samsung
- Saudi Aramco
- Schering-Plough
- Scudder Kemper Investments
- Solvay Pharmaceuticals
- Sun Life of Canada
- J.R. Simplot
- TRW
- UBS
- Unilever
- UNISYS
- United States Steel Corporation
- UnityPoint Health
- UNIVAR
- US West
- Utilicorp United
- Warner-Lambert
- The Weitz Company
- Western Union
- Westfield Group
- Westinghouse