3M Company
Abbott Laboratories
Advance Auto 
Advanced Micro Devices
AES Corporation
Aetna
Affiliated Computer Services
Aflac Incorporated
AGCO Corporation
Agilent Technologies
Air Products and Chemicals
AK Steel Holding Corporation
Albertson's
Alcoa Inc
Allied Waste Industries
Allstate
ALLTEL Corporation
Altria Group
Ameren Corporation
American Electric Power
American Express
American Family Insurance
American Financial
American International Group
American Standard Companies
AmerisourceBergen Corporation
Amgen Inc
AMR Corporation
Anadarko Petroleum Corporation
Anheuser-Busch
Aon Corporation
Apache Corporation
Apple Computer
Applied Materials
ARAMARK Corporation
Arrow Electronics
ArvinMeritor
Asbury Automotive Group
Ashland
Assurant
Atmos Energy
AT&T
Autoliv
Automatic Data
AutoNation
Auto-Owners Insurance
AutoZone
Avaya
Avery Dennison
Avnet
Avon Products
Baker Hughes Incorporated
Ball Corporation
Bank of America
Bank of New York Company
Barnes & Noble
Baxter International
BB&T Corporation
Bear Stearns
Beazer Homes
Becton, Dickinson and Company
Bed Bath & Beyond
BellSouth
Berkshire Hathaway
Best Buy
Big Lots
BJ's
BJ's Wholesale
Black & Decker
BlueLinx
Boeing
Borders Group
BorgWarner
Boston Scientific
Brink's Company
Bristol-Myers Squibb
Brunswick Corporation
Burlington Northern Santa Fe
Cablevision Systems
Calpine Corporation
Campbell Soup
Capital One
Cardinal Health
Caremark Rx
CarMax
CBS Corporation
CDW Corporation
Celanese Corporation
Cendant Corporation
CenterPoint Energy
Centex Corporation
Charles Schwab
Charter Communications
Chesapeake Energy
C.H. Robinson Worldwide
CHS Inc
Chubb Corporation
CIGNA
Circuit City
Cisco
CIT Group
Citigroup
Clear Channel Communications
Clorox Company
CMS Energy Corporation
Coca Cola
Coca-Cola
Colgate
Colgate Palmolive
Colgate-Palmolive
Comcast
Commercial Metals Company
Computer Sciences Corporation
ConAgra Foods
ConocoPhillips
Conseco
Consolidated Edison
Constellation Brands
Constellation Energy
Continental Airlines
Con-way
Corning Incorporated
Costco Wholesale
Countrywide Financial
Coventry Health Care
Cox Communications
Crown Holdings
CSX Corporation
Dana Corporation
Danaher Corporation
Darden Restaurants
Dean Foods Company
Deere & Company
Delphi
Delta Air Lines
Devon Energy
Dillard's
DIRECTV
Dole Food
Dollar General
Dover Corporation
Dow Chemical
D.R. Horton, Inc
DTE Energy Company
Duke Energy
Du Pont
Dynegy
Eastman Chemical
Eastman Kodak
Eaton Corporation
eBay
EchoStar
Ecolab
Edison International
E. I. du Pont
Electronic Data Systems
Eli Lilly and Company
El Paso Corporation
EMCOR
Emerson Electric
Enbridge Energy
Energy East Corporation
Energy Transfer Partners
Engelhard Corporation
Entergy Corporation
Enterprise Products
Erie Insurance Group
Estée Lauder
Exelon Corporation
Express Scripts
Exxon Mobil Corporation
Family Dollar Stores
Federal-Mogul
Federated Department Stores
FedEx
Fifth Third Bancorp
First Data Corporation
FirstEnergy Corp
Fiserv
Fisher Scientific
Fluor Corporation
Foot Locker
Ford Motor Company
Fortune Brands
FPL Group
Franklin Resources
Freeport-McMoRan Copper & Gold
Freescale Semiconductor
Frontier Oil Corporation
Gannett Co
Gap Inc
General Dynamics
General Electric
General Mills
General Motors
Genuine Parts
Genworth Financial
Golden West Financial
Goldman Sachs
Goodrich Corporation
Goodyear Tire
Google
Graybar Electric
Group 1 Automotive
Guardian Life Insurance
Halliburton Company
Harley-Davidson
Harrah's Entertainment
Hartford Financial
HCA Inc
Health Net
Henry Schein
Hershey Company
Hess Corporation
Hewlett-Packard
Hexion Specialty Chemicals
Hilton Hotels
H. J. Heinz
Home Depot
Honeywell
Hormel Foods
Hovnanian Enterprises
H&R Block
Hughes Supply
Humana Inc
Huntsman Corporation
IAC/InterActiveCorp
IKON Office Solutions
Illinois Tool Works
Ingram Micro Inc
Intel
Intel Corporation
International Business Machines
International Paper
ITT Industries
Jabil Circuit
Jacobs Engineering
J. C. Penney
Johnson Controls
Johnson & Johnson
Jones Apparel Group
JPMorgan Chase & Co
KB Home	Los Angeles
Kellogg
Kelly Services
Kerr-McGee
KeyCorp
KeySpan
Kimberly-Clark
Kinder Morgan Energy
Kindred Healthcare
Kohl's
L-3 Communications
LandAmerica Financial
Land O'Lakes
Lear Corporation
Leggett & Platt
Lehman Brothers
Lennar Corporation
Levi Strauss
Lexmark International
Liberty Global
Liberty Media
Liberty Mutual
Limited Brands
Lincoln National Corporation
Liz Claiborne
Lockheed Martin
Loews Corporation
Longs Drug Stores
Lowe's Companies
Lubrizol Corporation
Lucent Technologies
Lyondell Chemical
Manpower Inc
Marathon Oil
Marriott
Marshall & Ilsley
Marsh & McLennan
Masco Corporation
Massachusetts Mutual Life
Mattel
McDonald's Corporation
McGraw-Hill
McKesson
M.D.C. Holdings
MeadWestvaco
Medco Health Solutions
Medtronic
Mellon Financial
Merck & Co
Merrill Lynch
MetLife
MGM MIRAGE
Micron Technology
Microsoft
Mirant
Mohawk Industries
Molson Coors Brewing
Monsanto Company
Morgan Stanley
Motorola
Murphy Oil
Nash-Finch Company
National City
National Oilwell Varco
Nationwide Mutual Insurance
Navistar International Corporation
NCR Corporation
Newell Rubbermaid
Newmont Mining
News Corporation
New York Life Insurance
NIKE
NiSource
Nordstrom
Norfolk Southern
Northeast Utilities
Northrop Grumman
Northwest Airlines
Nucor Corporation
NVR Inc
Occidental Petroleum
Office Depot
OfficeMax Incorporated
OGE Energy
Omnicare
Omnicom
ONEOK
Owens Corning
Owens-Illinois
Owens & Minor
PACCAR Inc
Pacific Mutual
Parker Hannifin
Pathmark Stores
Peabody Energy
Pepco Holdings
PepsiCo
Performance Food Group
Peter Kiewit Sons
PG&E Corporation
Phelps Dodge
Pilgrim's Pride
Pitney Bowes
Plains All American Pipeline
PPG Industries
PPL Corporation
Praxair
Principal Financial
Progress Energy
Public Service Enterprise Group
Publix
Pulte Homes
QUALCOMM
Quest Diagnostics
Qwest Communications
RadioShack
Raytheon
Regions Financial Corporation
Reliant Energy
Reynolds American
Rite Aid
Rockwell Automation
Rohm and Haas
Ross Stores
R.R. Donnelley
Ryder System
Ryerson Inc
Ryland Group
Safeco Corporation
Safeway Inc
Saks Incorporated
Sanmina-SCI
Sara Lee
SCANA Corporation
Schering-Plough
Science Applications International
Sealed Air Corporation
Sears Holdings Corporation
Sempra Energy
SLM Corporation
Smithfield Foods
Smith International
Smurfit-Stone Container
Solectron Corporation
Sonic Automotive
Southern Company
Southwest Airlines
Sprint Nextel Corporation
SPX Corporation
Standard Pacific
Starbucks Corporation
Starwood Hotels
State Farm
State Street Corporation
Stryker Corporation
SunGard
Sun Microsystems
Sunoco
SunTrust
SUPERVALU INC
SYSCO
Target Corporation
Teachers Insurance and Annuity Association
Tech Data Corporation
Temple-Inland
Tenet Healthcare
Tenneco Inc
TEPPCO Partners
Terex Corporation
Tesoro Corporation
Texas Instruments
Textron Inc
The First American
The Interpublic Group of Companies
The Kroger
The Mosaic Company
The Mutual of Omaha
The Northwestern Mutual
The Pepsi
The PNC Financial
The Procter & Gamble
The Progressive Corporation
The ServiceMaster Company
The Sherwin-Williams
The St. Paul Travelers
The Timken Company
The TJX Companies
Thrivent Financial
Time Warner
Toll Brothers
ToysRus
Toys ''R'' Us
Toys 'R' Us
TransMontaigne
Triad Hospitals
Tribune Company
TRW Automotive
TXU Corp
Tyson Foods
UAL Corporation
UGI Corporation
Union Pacific Corporation
Unisys Corporation
United Auto
UnitedHealth
United Parcel
United States Steel Corporation
United Stationers
United Technologies Corporation
Universal Health
UnumProvident
USAA
US Airways
U.S. Bancorp
USG Corporation
Valero Energy
Verizon
VF Corporation
Viacom
Visteon Corporation
Wachovia Corporation
Walgreen
Wal-Mart
Walt Disney
Washington Mutual
WellPoint
Wells Fargo
WESCO International
Western & Southern Financial
Weyerhaeuser Company
Whole Foods
Winn-Dixie
Wm. Wrigley Jr. Company
World Fuel Services Corporation
WPS Resources
W. R. Berkley
W.W. Grainger Inc
Xcel Energy
Yahoo
Yahoo! Inc
YRC Worldwide
YUM! Brands