3M Company
 
A
AARP
Abbott Laboratories                                          
Aboda, Inc.
Accenture, Inc.
Ace Group
Acordia, Inc.
Acuity Brands, Inc.
Acxiom Corporation
ADC Telecommunications
Administaff, Inc.
Adobe Systems Incorporated
ADT Security Systems, Inc.
Advance Transformer Co.
Advanced Micro Devices (AMD)
Advogent Group, Inc.
Aetena, Inc.
AK Steel Inc.
Akzo Nobel Inc.
Alaris Medical Systems
Albemarle Corporation
Albertson's Inc.
Alcoa Inc.
AllianceBernstein
Alliant Energy Corporation
Allied Insurance
Allstate Insurance Corporation
Altura Energy Ltd.
ALZA Corporation
Amax Foundation, Inc.
Amcom
American Cyanamid Company
American Electric Power Service Corp.
American Equipment Co., Inc.
American Express
American General Life Insurance Company
American Honda Motor Co., Inc.
American International Group, Inc.
American Standard Inc.
Ameriprise Financial
Amgen, Inc.
Amica Companies
Anadarko Petroleum Corporation
Analog Devices Inc.
Anheuser-Busch Companies, Inc.
ANR Pipeline Company
AON
Apache Corporation
Apogee
Applera Corporation
Applied Biosystems, Inc.
Arthur J. Gallagher & Co.
Ashland Inc.
ASPECT
Assurant Health
AstraZeneca LP
AT&T
ATK Alliant Techsystems Inc.
Autodesk
Aventis Pharmaceuticals, Inc.
Avery Dennison Corporation

B 

Ball Corporation
Bank of America Corporation
Barclays Global Investors
Bard Access Systems, Inc.
Barnes Aerospace
Baxter Healthcare International Inc.
Becton Dickinson and Company
Bechtel Group
Beckman Coulter, Inc.
Bell Helicopter Textron Inc.
Bemis Company
The BF Goodrich Company
The Black & Decker Corporation
Blackrock, Inc.
The Blount Foundation, Inc.
Blue Cross/Blue Shield of Nebraska
The Boeing Company
Books Are Fun, LTD
Boston Scientific Corporation
BP America
Brink's Incorporated
Bristol-Myers Squibb Company
Brookfield Financial Properties
Burlington Northern Santa Fe Corporation
Busch Gardens

C
C.R. Bard, Inc.
Cadence Design Systems Inc.
Campbell Soup Company
Canji, Inc.
The Capital Group Companies
Capital One
Cardinal Health
Cargill, Inc.
Carmax Autostore
Caterpillar Inc.
Chevron Corporation
Chicago Mercantile Exchange Foundation
Chicago Tribune Company
Chrysler Corporation
CITGO Petroleum Corporation
Citigroup
The Clorox Company
Coach Inc.
Coca-Cola Bottling Company
Coldwell Banker
Colfax Corporation
Colgate-Palmolive Company
Colorado Interstate Gas Company
Computer Associates International, Inc.
ConAgra Foods
ConocoPhillips Inc.
Constellation Energy Group Inc.
Countrywide Financial Corporation
Covidien Ltd.
Crescent Resources Inc.
CSGSystems, Inc.
 
D

The D&B Dun & Bradstreet Corporation
DaimlerChrysler Corporation
Dana Corporation
Darden Restaurants
DCP Midstream
Deere & Company
Deloitte & Touche LLP
Denbury Resources Inc.
Deutsche Bank Americas
Diebold, Inc
DirecTV
Discover Financial Services
Dolby Laboratories
Dominion Exploration & Production, Inc.
Dow Agrosciences, LLC
Dow Jones & Company, Inc.
Dresser-Rand Company
DST Systems, Inc
The Duke Energy Corporation
 
E
Eaton Corporation
eBay
Ecolab,Inc.
The Economist Group
Edward Jones Investments
El Paso Corporation
Eli Lilly and Company
Elsevier, Inc.
Emerson Electric Company
Energen Resources Corporation
EnPro Industries
Equifax Inc.
Equitable Resources Inc.
Ernst & Young
Ethyl Corporation
The E.W. Scripps Co.
Express Scripts
Exxon Mobil Corporation
E-Z-GO Textron, Inc.