Tim Parker Chrysler

Bacardi USA, Inc.

Ball Corporation

Bandag Incorporated

Bank of America

Bank of the West

Barloworld Handling, LP

Barr Laboratories

Basell USA Inc.

BASF

Basic Energy Services

Baxter Healthcare Corporation

BC Natural Foods

Beckman Coulter Inc.

Becks Superior Hybrids Inc

Becton Dickinson

Belfor USA Group, Inc.

Belk Stores Services, Inc.

Bell South

Bemis Company Inc.

Beringer Wine Estates Company

Berlex, Inc.

Big Lots Stores, Inc.

Bimbo Bakeries

Bio Merieux

Biogenidec

Biolab, Inc.

Bio-Rad Laboratories

Biovail Pharmaceuticals

Birds Eye Foods

BIS Frucon Industrial Services Inc.

Black & Veatch

Blue Linx

BMHC

Boart Longyear

Bob Jones University

Boehringer Ingelheim Corporation

Boise Cascade

Boler Company, The

Bombardier Corporation

Borders Group, Inc.

Boston Acoustics

Boyd Coffee Company

Bozzuto's Inc.

BP Amoco Corp.

Bracco Diagnostics

Bradley Pharmaceuticals, Inc.

Braintree Laboratories

Bridger Coal Company

Broan-NuTone LLC

Brown-Forman

Buckeye International Inc.

Buckman Laboratories

Budget Group, Inc.

Buffalo Rock

Buffets, Inc.

Bunge North America

Bunzl Distribution USA Inc.

Burger King

Burkhart Dental

Buzzi-Unicem USA, Inc.

BWP Distributors

C & H Sugar Company, Inc.

C H Reed, Inc.

C. R. Bard Inc.

Calgon Carbon Corporation

California Farm Bureau

California State Auto Assn

California Water Service

Campbell Soup Company

CareFusion Corporation

Carestream Health Inc.

Carl Zeiss Meditec, Inc.

Carlisle Syntec Incorporated

Carnival Corporation

Carter & Burgess, Inc.

Cassens Corporation

Catholic Bishop of Chicago (dba Archdiocese of Chicago)

CB Richard Ellis, Inc.

Cellnet Technologies

Cendant Car Rental Group

Cenex Harvest States

Centene Corporation

CenterPoint Energy

Centex Corporation

Charming Shoppes of Delaware Inc.

Charter Communications

Chef Solutions, Inc.

ChemTreat, Inc.

Chicago Pneumatic Tool Company

Chicago Title/Fidelity National Financial

Chiron Corporation

Church Mutual Insurance Company

Church of Jesus Christ of Latter-Day Saints, The

CIGNA

Cincinnati Machine

Cingular Wireless Inc.

Citgo Petroleum Corp & Subsid.

Citigroup Inc.

Citizens Bank

Clariant Corporation

Clarklift West

Clayton Manufacturing Company

Cleaning Authority, The

Clear Channel Communications

Cobb Mechanical

Coca Cola Enterprises

Coca Cola Trading Company

Coca-Cola Bottling Company Consolidated

Cochran

Coinstar Corporation

Colorado Rockies Inc.

Commonwealth Brands, Inc.

Community Loans of America, Inc.

Compass Group USA

Compass Minerals International

Compuware Corporation

ConAgra

Connetics Corporation

Connexus Energy

ConocoPhillips Company

Consol Energy, Inc.

Consolidated Edison Company of New York, Inc

Consolidated Electrical Distributors

Constellation Brands

Contech Construction Products, Inc.

Continental Rubber Holding

Continental Western Insurance Company

Cook DuPage Transportation Co., Inc.

Cord Camera Centers Inc.

Cornell University

Cornerstone Biopharma

Corrpro Incorporated

Covalence Specialty Materials Corp.

Cox Enterprises, Inc.

Crawford & Company

Cropp-Metcalfe A/C Heating

Cross Sales and Engineering

Crosscountry Courier

Crossrock, Inc.

Crown Castle USA Inc.

Crucible Materials Corporation

Culligan Transport, Inc.

Cumberland Farms

Cummins Bridgeway, LLC

Dade Behring

Dal-Tile Corporation

Danaher Corporation

Darden Restaurants

Datascope Corp.

Davey Tree Expert Company, The

DCP Midstream LP

Del Monte Foods

Delta Airlines

Detroit Medical Center

Devon Energy Production Co.

Dey Laboratories

Diageo North America, Inc.

Diagnostico Stago

Diebold, Incorporated

Dionex Corporation

Dobson Communications Corp.

Donaldson Company

Donlen Corporation

Dornier Med Tech

Dow Chemical Company

Dow Corning Corporation

Dow Jones

Dr. Gertrude A. Barber Center

Dresser-Rand

Dreyer's Grand Ice Cream, Inc.

Drury Industries, Inc.

DSM Sourcing Americas

DTAG (Dollar/Thrifty)

DTE Energy and affiliates

Duke Power

Duke Realty Corporation

Duke University Health Systems

Duquesne Light

Dycom Industries, Inc.

Dynegy

Dyno Nobel, Inc.

E.A. Sween Company

E.B. Bradley Co.

E.I. DuPont

EADS (European Aeronautic Defence and Space Co.)

Eastman Kodak Company

Eaton Corporation

Eckerd Corporation

Ecolab

Education Management Corporation

Einstein Acquisition Corp.

Eisai Pharmaceuticals

Elan Pharmaceuticals

Elekta Inc.

Eli Lilly and Company

Elizabeth Arden, Inc.

Elliott Turbo Machine

Elwyn Inc.

Embarq Corporation

Emerson Electric Company

Emkay Inc.

Employers Mutual Casualty Company

Endo Pharmaceuticals Inc.

Energizer

Enersys

Entergy Corporation

Enterprise Rent-A-Car

EOG Resources Inc.

Estee Lauder

Exelon Corp.

Exterran

Fabio M Russoniello (dba) Esys

Family Dollar

Farm Bureau Life Insurance Company of Michigan

Farm Credit Services

Farm Credit System

Fastenal Company

FCCI Insurance Group

FCCServices Inc.

FedEx Corporation

FedEx Ground

Fenner Dunlop

Ferrellgas LP

FIG Leasing Co., Inc.

Firestone Building Products

First American Corporation, The

First Data Corporation

First Horizon Pharmaceutical

Five Star Food Service

Flint Energy Services, Inc.

Florida Rock Industries, Inc.

Florists Mutual Insurance dba Hortica

Florists Transworld Delivery, Inc.

FM Global

FMC Technologies

Forest Pharmaceuticals

Free Flow Packaging International, Inc.

Freightmasters

Fresenius Medical

Fru-Con Construction Corporation

Fujisawa Healthcare Inc.

G.E. Capital Fleet Services

Gambro Inc.

GameStop

GAP Inc.

Gardner, Inc.

Gates Rubber Company, The

Gaylord Container Corporation

GCR Tire Centers

GEICO

Geiger Excavating

General Casualty Company

General Dynamics C4 Systems

General Growth Properties Inc.

General Mills, Inc.

General Nutrition Incorporated

General Security Services Corp.

Geneseo Telephone Company

Gensco

Genuine Parts Co.

Gibraltar Steel Corporation

GlaxoSmithKline

Global Crossing

Gold Kist Inc.

Golden State Foods

Gordon Food Service

Grass America

Graybar Electric

Greif Bros. Corporation

Gress Trucking

Grey Wolf Drilling Company L.P.

Growmark Inc. / FS

GC America inc.

GTECH, Inc.

GuideOne Insurance

Guy's Floor Service

Gypsum Management & Supply Inc.

H.B. Fuller

H.D. Smith Wholesale Drug Company

H.N.T.B. Corporation

H.O. Penn Machinery Co., Inc.

Hajoca Corporation

Haldex Brake Products Corp.

Hallmark Cards, Inc.

HANCOR, Inc.

Hannaford Brothers

Hanson Building Materials America

Harcourt

Hardin Construction Co.

Hardinge Inc.

Harleysville Mutual Insurance Company

Harmon, Inc.

Harris Moran Seed Company

Hayward Industries, Inc.

HEAD / Penn Racquet Sports

Healthcare Financial Group, The

Hearst Corporation, The

Heath Consultants

Heidelberg USA, Inc.

Henkel Corporation

Hercules

Heritage Propane Partners, L.P.

Heritage Restaurant Group

Hertz Corporation, The

Herzog

Highway Technologies, Inc.

Hitachi Corporation

Hollywood Entertainment Corp.

Home City Ice Co., The

Home Depot

Home Properties

Houghton Mifflin, Inc.

Howe Electric

Hubbell Incorporated

Huber Engineered Materials

Hunter Douglas

HydroChem

ICOS Corporation

Ideal Industries, Incorporated

IKO Industries

Illinois Farm Bureau

Imerys Pigments & Additives

INA Corporation

Infinity Insurance Company

Ingersoll-Rand Company

Insituform Technologies, Inc.

Instron Corporation

Insurance Services Office (ISO)

Integra Telecom

Intel Americas, Inc.

Intermountain Health Care

International Aluminum Corporation

Interstate Brands Corporation

Interstate Chemical Company, Inc.

Interstate Natural Gas Company

Invacare Corporation

Invensys

Iowa Farm Bureau Insurance

Jasper Engines

J.E. Dunn Construction

J.M. Smith (dba QS-1 Data Systems)

J.R. Simplot Company

Jack In The Box

JCB Inc.

JELD-WEN

John Henry Foster Company of St. Louis

Johns-Manville

Johnson & Johnson

Johnsonville Sausage, LLC

Kansas City Sothern Railway

Kansas Electric Cooperatives Inc.

Kawasaki Motors Corporation, USA

Kellogg's

Kelly Tractor

Kennecott Energy Company

Key Energy Services

KeySpan Corporation

Keystone Automotive Industries

Kinder Morgan

Kinney Drugs Inc.

Kleinfelder Group Incorporated

Kmart

Knight Ridder Inc.

Konecranes, Inc.

Konica Minolta Graphic Imaging USA Inc.

Kos Pharmaceuticals, Inc.

Kraft Foods

Kraftmaid Cabinetry, Inc.

Kraus Anderson Construction

Kyocera Mita America, Inc.

L.B. Foster Company

LabCorp, Inc.

Laclede Gas Company

Lamar Corporation

Land O' Lakes

Land O' Lakes, Inc. NFPT

Lane Ltd.

Lansing Building Products, Inc.

Las Vegas Paving Corp.

Layne Christensen Co.

Lease Plan USA

Legend Retail Group

Level 3 Communications

Libbey Inc.

Ligand Pharmaceuticals, Inc.

Lincare

Lockheed Martin Corporation

Loews Corporation

LoJack Corporation

Longs Drugs

Longview Fibre

Lorillard

Lupin Pharmaceutical, Inc.

Lyondell PetroChemical

M.D.U. Resources

MacArthur Company

Mactec, Inc.

Maersk Inc.

Magellan Midstream Partners, L.P.

Marathon Oil Co (MOC)/Marathon Ashland Petroleum LLC (MAP)

Maritz

Mark-IV Industries

Marsh & McLennan Companies, Inc. (MMC)

Marsh SuperMarkets

Marshall Erdman & Associates, Inc.

Martin-Marietta Materials

Mary Kay Inc.

Mars Snackfood

Masco Corporation

Matsushita Electric Corporation of America

Mayer Electric Company

McKee Foods

McKesson Corporation

MDU Resources Group Inc.

Media General, Inc.

Medimmune, Inc.

Menard, Inc.

Merck & Company

Merial Ltd.

Merz Pharmaceuticals, LLC

Metso USA, Inc.

MGI Pharma

M-I Swaco

Michael Baker Corporation

Michelin North America, Inc.

Mid America Clinical Labs

MidAmerican Energy Holdings Co.

Midland Company, The

Mike Albert Leasing

Milacron, Inc.

Miller Brewing Company

Milliken and Company

Minnesota Nursery & Landscape Association

Mission Pharmacal

Missouri Farm Bureau Services

Mobilex

Modine Manufacturing Company

Moen Incorporated

Mohawk Industries Inc.

Molnlycke Health Care, Inc.

Monsanto

Monterey Military Housing Authority

Monterey Mushrooms

Morris Communication

Morris Material Handling

Morton Buildings Inc.

Motion Industries Inc.

Motorola, Inc.

MTD Products, Inc.

Mutual of America

MYR Group

NACCO Materials Handling Group

Nalco

National Fuel

National Grid

National Gypsum Company

National Medical Care

National Rural Electric Cooperative Association

National Rural Water Association

National Semiconductor

National Tobacco

NationaLease Purchasing Corporation

Nations Rent

Navajo Refining Co., L.P.

NCI Building System

NCR Corporation

Neopost Inc.

NERAC, Inc.

Netversant

New England Regional Council of Carpenters

New York State Electric & Gas

New York State United Teachers

New York Times Company, The

Newell Rubbermaid, Inc.

Newfield Production Company

News America Corporation

Nextel

Nextel Partners, Inc.

Nicor Gas

Nielsen Media Research

Nilfisk-Advance, Inc.

NiSource, Inc.

Nordson Corporation

Nortel Networks

Northeast Utilities System

NOVA Chemicals, Inc.

Novartis

Novo Nordisk Pharmaceuticals Inc.

Oce' - North America