1-800-FLOWERS, Inc.

24/7 Real Media, Inc.

ABM Industries Incorporated

ACNielsen Corporation

AHL Services, Inc.

Ackerley Communications, Inc.

Acosta Sales and Marketing Company, Inc.

Acsys, Inc.

Adecco S.A.

Administaff, Inc.

Advo, Inc.

Affiliated Computer Services, Inc.

Alloy, Inc.

Amdocs Ltd.

Amey Plc

Analysts International Corporation

Ariba, Inc.

Armor Holdings, Inc.

Asatsu-DK Inc.

Ashtead Group plc

Avalon Correctional Services, Inc.

Bain & Company

Barrett Business Services, Inc.

Barton Protective Services Inc.

Bates Worldwide, Inc.

Bearings, Inc.

Big Flower Press Holdings, Inc.

Billing Concepts, Inc.

Boron, LePore & Associates, Inc.

Bozell Worldwide Inc.

BrandPartners Group, Inc.

Bright Horizons Family Solutions, Inc.

Broadcast Music Inc.

Buck Consultants, Inc.

Bureau Veritas SA

Burns International Security Services

Burns International Services Corporation

CDI Corporation

COMFORCE Corporation

CORT Business Services Corporation

CROSSMARK

CSG Systems International, Inc.

Cambridge Technology Partners, Inc.

Campbell-Mithun-Esty, Inc.

Cannon Design

Capita Group PLC

Career Education Corporation

Carmichael Lynch Inc.

Cazenove Group plc

Central Parking Corporation

Century Business Services, Inc.

Chancellor Beacon Academies, Inc.

ChartHouse International Learning Corporation

Chiat/Day Inc. Advertising

Chicago Board of Trade

Chisholm-Mingo Group, Inc.

Christie's International plc

Cintas Corporation

Command Security Corporation

Computer Learning Centers, Inc.

Concentra Inc.

CoolSavings, Inc.

Corporate Express, Inc.

Creative Artists Agency LLC

Cyrk Inc.

D'Arcy Masius Benton & Bowles, Inc.

DDB Needham Worldwide

DHL Worldwide Network S.A./N.V.

Daiko Advertising Inc.

Dale Carnegie & Associates Inc.

Dale Carnegie Training, Inc.

Dawson Holdings PLC

Deluxe Corporation

Dentsu Inc.

Deutsch, Inc.

Deutsche Post AG

Dewberry

Dial-A-Mattress Operating Corporation

Digitas Inc.

DoubleClick Inc.

Drake Beam Morin, Inc.

EBSCO Industries, Inc.

ERLY Industries Inc.

Earl Scheib, Inc.

Ecology and Environment, Inc.

Edelman

Edison Schools Inc.

Education Management Corporation

Electro Rent Corporation

Employee Solutions, Inc.

Ennis Business Forms, Inc.

Equifax Inc.

Equity Marketing, Inc.

Euro RSCG Worldwide S.A.

Expedia, Inc.

FTI Consulting, Inc.

Fallon McElligott Inc.

Fallon Worldwide

FileNet Corporation

Fiserv, Inc.

FlightSafety International, Inc.

Florists' Transworld Delivery, Inc.

Foote, Cone & Belding Worldwide

Forrester Research, Inc.

Frankel & Co.

Franklin Covey Company

Freeze.com LLC

Frost & Sullivan, Inc.

GEMA (Gesellschaft für musikalische Aufführungs- und mechanische Vervielfältigungsrechte)

GSI Commerce, Inc.

Gage Marketing Group

George P. Johnson Company

George S. May International Company

Gevity HR, Inc.

GfK Aktiengesellschaft

Glotel plc

Goodby Silverstein & Partners, Inc.

Grey Global Group Inc.

Group 4 Falck A/S

Groupe Jean-Claude Darmon

Guardsmark, L.L.C.

Gwathmey Siegel & Associates Architects LLC

Ha-Lo Industries, Inc.

Hakuhodo, Inc.

Hall, Kinion & Associates, Inc.

Handleman Company

Harte-Hanks, Inc.

Havas SA

Hays Plc

Hays plc

Headway Corporate Resources, Inc.

Heidrick & Struggles International, Inc.

Hewitt Associates, Inc.

Hildebrandt International

IKON Office Solutions, Inc.

IMS Health, Inc.

ITT Educational Services, Inc.

Interbrand Corporation

Interep National Radio Sales Inc.

International Brotherhood of Teamsters

International Management Group

International Total Services, Inc.

Ipsos SA

Iron Mountain, Inc.

J.D. Power and Associates

JCDecaux S.A.

JOULÉ Inc.

Jackson Hewitt, Inc.

Katz Media Group, Inc.

Keane, Inc.

Kelly Services, Inc.

Kforce Inc.

Kinko's Inc.

Kinko's, Inc.

Kirshenbaum Bond + Partners, Inc.

Kohn Pedersen Fox Associates P.C.

Korn/Ferry International

Kroll Inc.

L. M. Berry and Company

L.S. Starrett Co.

Labor Ready, Inc.

Lamar Advertising Company

Landor Associates

Le Cordon Bleu S.A.

Learning Care Group, Inc.

Learning Tree International Inc.

Leo Burnett Company, Inc.

Lintas: Worldwide

MAI Systems Corporation

MAXIMUS, Inc.

MDC Partners Inc.

MPS Group, Inc.

Mail Boxes Etc.

Manhattan Associates, Inc.

Manning Selvage & Lee (MS&L)

Manpower Inc.

Manpower, Inc.

Marchex, Inc.

Marco Business Products, Inc.

Maritz Inc.

Matussière et Forest SA

Mediaset SpA

Milliman USA

Moody's Corporation

Mullen Advertising Inc.

NAVTEQ Corporation

NFO Worldwide, Inc.

Napster, Inc.

National Equipment Services, Inc.

National Media Corporation

Neopost S.A.

New England Business Service, Inc.

New Valley Corporation

Norrell Corporation

Norwood Promotional Products, Inc.

O.C. Tanner Co.

Obie Media Corporation

Observer AB

OfficeTiger, LLC

Omnicom Group Inc.

On Assignment, Inc.

Opinion Research Corporation

Oracle Corporation

Orbitz, Inc.

Outdoor Systems, Inc.

PDI, Inc.

PFSweb, Inc.

PMT Services, Inc.

PagesJaunes Groupe SA

Paris Corporation

Pegasus Solutions, Inc.

Pei Cobb Freed & Partners Architects LLP

Penauille Polyservices SA

Philip Services Corp.

Phillips, de Pury & Luxembourg

Pierce Leahy Corporation

Pinkerton's Inc.

Plante & Moran, LLP

Posterscope Worldwide

Priceline.com Incorporated

Publicis Groupe

Publicis S.A.

Publishers Clearing House

Quintiles Transnational Corporation

Quovadx Inc.

Randstad Holding n.v.

RedPeg Marketing

RemedyTemp, Inc.

Rental Service Corporation

Rentokil Initial Plc

Resources Connection, Inc.

Rewards Network Inc.

Right Management Consultants, Inc.

Ritchie Bros. Auctioneers Inc.

Ronco, Inc.

Russell Reynolds Associates Inc.

SOS Staffing Services

Saatchi & Saatchi

Securitas AB

Shared Medical Systems Corporation

Sir Speedy, Inc.

Skidmore, Owings & Merrill

Skidmore, Owings & Merrill LLP

SmartForce PLC

Sotheby's Holdings, Inc.

Source Interlink Companies, Inc.

Spencer Stuart and Associates, Inc.

Spherion Corporation

StarTek, Inc.

Steiner Corporation (Alsco)

Strayer Education, Inc.

Superior Uniform Group, Inc.

Sykes Enterprises, Inc.

Sylvan Learning Systems, Inc.

TA Triumph-Adler AG

TBWA/Chiat/Day

TMP Worldwide Inc.

TNT Post Group N.V.

TRM Copy Centers Corporation

Taylor Nelson Sofres plc

The Advertising Council, Inc.

The Advisory Board Company

The American Society of Composers, Authors and Publishers (ASCAP)

The Arbitron Company

The BISYS Group, Inc.

The Boston Consulting Group

The Dun & Bradstreet Corporation

The Gallup Organization

The Interpublic Group of Companies, Inc.

The NPD Group, Inc.

The Richards Group, Inc.

The Wackenhut Corporation

Thomas Cook Travel Inc.

Ticketmaster

Ticketmaster Group, Inc.

Towers Perrin

Trader Classified Media N.V.

Traffix, Inc.

Transmedia Network Inc.

Travelzoo Inc.

Treasure Chest Advertising Company, Inc.

True North Communications Inc.

Tyler Corporation

U.S. Office Products Company

UniFirst Corporation

Unica Corporation

United Business Media plc

United News & Media plc

Unitog Co.

Valassis Communications, Inc.

ValleyCrest Companies

ValueClick, Inc.

Vebego International BV

Vedior NV

Vertrue Inc.

Viad Corp.

W.B Doner & Co.

WPP Group plc

Waggener Edstrom

Warrantech Corporation

WebEx Communications, Inc.

Welcome Wagon International Inc.

Westaff Inc.

Whitman Education Group, Inc.

Wieden + Kennedy

William Morris Agency, Inc.

Williams Scotsman, Inc.

Workflow Management, Inc.

Xerox Corporation

Young & Rubicam Inc.

Young & Rubicam, Inc.

aQuantive, Inc.

eBay Inc.

inVentiv Health, Inc.

marchFIRST, Inc.