| 95PercentGroup | Business Products and Services |
| A&P Canada | Food and Food Distribution ; Retail |
| A&P Farmer Jack | Food and Food Distribution ; Retail |
| A&P U.S. | Food and Food Distribution ; Retail |
| A&R Belley | Products, Manufacturing and Distribution |
| Abercrombie & Kent | Business Products and Services ; Retail |
| Abitibi Consolidated | Products, Manufacturing and Distribution |
| ABN AMRO | Financial Services |
| Ace Hardware | Retail |
| Adaltis Inc. | Bio-Tech, High-Tech and Software |
| Adobe | Bio-Tech, High-Tech and Software |
| Ahold USA | Food and Food Distribution ; Retail |
| Alpha Gear Drives, Inc. | Business Products and Services ; Products, Manufacturing and Distribution |
| Altair Advisers LLC | Business Products and Services |
| American Bar Association | Nonprofit ; Business Products and Services |
| American Invsco | Real Estate |
| American Sales Company | Food and Food Distribution ; Retail |
| AMLI Residential | Real Estate |
| Amsted Rail Group | Products, Manufacturing and Distribution |
| Archstone Consulting | Business Products and Services |
| Assoc Grocers of Baton Rouge | Food and Food Distribution ; Retail |
| Associated Grocers of the South | Food and Food Distribution ; Retail |
| Association of Women's Health, Obstetric & Neonatal Nurses (AWHONN) | Nonprofit ; Business Products and Services ; Healthcare |
| Atlas Cold Storage | Business Products and Services ; Food and Food Distribution ; Retail |
| Avon | Products, Manufacturing and Distribution |
| Axair-Nortec | Products, Manufacturing and Distribution |
| Bankers Life and Casualty | Insurance ; Financial Services |
| Beatrice Foods | Food and Food Distribution ; Retail |
| Bell Canada | Telecom, Media & Entertainment ; Retail |
| Betzold Research & Trading | Financial Services |
| Bonlac Foods | Food and Food Distribution ; Retail |
| Bracewell & Giuliani LLP | Business Products and Services |
| Bridge Strategy Group, LLC | Business Products and Services |
| Bristol-Myers Squibb | Products, Manufacturing and Distribution |
| Broan-Nutone | Products, Manufacturing and Distribution |
| Builders Capital | Financial Services |
| BuzzBee | Business Products and Services |
| Canac Marquis Grenier | Retail |
| Canada Post | Business Products and Services |
| Canadian Commercial Corporation | Business Products and Services |
| Chicago Board of Trade (CBOT) | Financial Services |
| Chicago Finance Exchange | Financial Services |
| City of Evanston | Business Products and Services ; Nonprofit |
| Classic Residence by Hyatt | Real Estate |
| Click Commerce, Inc. | Bio-Tech, High-Tech and Software |
| Clifstar | Food and Food Distribution ; Retail |
| CMG Equipment | Products, Manufacturing and Distribution |
| CNA Financial | Insurance ; Financial Services |
| CoAMS | Business Products and Services |
| Cohen & Silverman | Business Products and Services |
| Cohen Financial | Financial Services |
| Colonial Cookies | Food and Food Distribution ; Products, Manufacturing and Distribution |
| CoOptical | Business Products and Services ; Products, Manufacturing and Distribution ; Retail |
| CRM Properties | Real Estate |
| Cunningham Futures | Financial Services |
| Custom Graphics | Business Products and Services |
| David Architectural Metals | Business Products and Services |
| Dearborn Wholesale Grocers | Food and Food Distribution ; Products, Manufacturing and Distribution |
| Dedeco International | Products, Manufacturing and Distribution |
| Dennen Steel | Products, Manufacturing and Distribution |
| Desjardins | Financial Services |
| Dicom Grid LLC | Healthcare |
| Dolins, Dolins & Sorinsky | Business Products and Services |
| Dollar General | Retail |
| Dominion Blueline | Products, Manufacturing and Distribution |
| Draper & Kramer | Real Estate |
| E&T Real Estate | Real Estate |
| E.D. Smith | Food and Food Distribution ; Retail |
| E.M. Combs | Financial Services |
| Easter Seals | Nonprofit ; Business Products and Services |
| Enjoy Life Foods | Food and Food Distribution ; Retail |
| Equity Marketing Services | Real Estate |
| Equity Residential | Real Estate |
| erp-INFO | Business Products and Services |
| Excel Investigations | Business Products and Services |
| Exel Logistics | Products, Manufacturing and Distribution |
| Feltes Sand and Gravel | Products, Manufacturing and Distribution ; Retail |
| Field Museum | Nonprofit |
| Fieldglass | Bio-Tech, High-Tech and Software |
| Fred Hutchinson | Healthcare ; Nonprofit |
| Fullbright & Jaworski | Business Products and Services |
| Gardner, Carton & Douglas | Business Products and Services |
| Glenn Poor | Business Products and Services |
| Gold Data Management | Bio-Tech, High-Tech and Software |
| H2OPlus | Products, Manufacturing and Distribution ; Retail |
| Habitat for Humanity International | Nonprofit ; Real Estate |
| Harbor Properties | Real Estate |
| Harold E. Eisenberg Foundation | Nonprofit |
| Harvey Gertsman Associates | Business Products and Services |
| hbc.com | Retail |
| Health Newsletters Direct | Healthcare ; Telecom, Media & Entertainment |
| Healthios | Financial Services |
| Heitman | Real Estate ; Financial Services |
| Holly Hunt | Products, Manufacturing and Distribution ; Retail |
| Hostway | Bio-Tech, High-Tech and Software |
| Hudson's Bay Company | Retail |
| Hunter Douglas | Products, Manufacturing and Distribution |
| Huron Consulting Group | Business Products and Services |
| IMC Holdings Inc. | Financial Services |
| Incapital | Financial Services |
| Indigo | Retail |
| Instranet | Bio-Tech, High-Tech and Software |
| InteliStaf Healthcare | Healthcare ; Business Products and Services |
| International Teams | Nonprofit |
| Jab Partners | Business Products and Services |
| Jay's Foods LLC | Products, Manufacturing and Distribution ; Food and Food Distribution |
| JC Penney | Retail |
| JMB Insurance | Insurance |
| JMB Realty | Real Estate |
| Johnston Equipment | Products, Manufacturing and Distribution |
| JPW Real Estate, LLC | Real Estate |
| JR Katz | Insurance |
| Kaplan | Business Products and Services |
| Key Foods | Food and Food Distribution ; Retail |
| Kodak | Bio-Tech, High-Tech and Software ; Products, Manufacturing and Distribution |
| Kottke Associates | Financial Services |
| L'Oreal Canada | Products, Manufacturing and Distribution |
| LabVolt | Business Products and Services |
| Lanzarotta | Food and Food Distribution ; Retail |
| Le Journal de Montreal | Telecom, Media & Entertainment |
| Leeco Steel Products | Products, Manufacturing and Distribution |
| Loblaw Companies Limited | Food and Food Distribution ; Retail |
| LRN | Business Products and Services |
| LxLi | Business Products and Services |
| Maax | Products, Manufacturing and Distribution |
| Magnetar Capital | Financial Services |
| Maple Leaf Foods | Food and Food Distribution ; Retail |
| Maritz | Business Products and Services |
| Martex | Products, Manufacturing and Distribution |
| MartorUSA | Products, Manufacturing and Distribution |
| McCarthy Bertschy | Business Products and Services |
| McHugh Construction | Real Estate ; Business Products and Services |
| MDS | Healthcare |
| Meritain Health | Healthcare |
| Metal Management Inc | Business Products and Services |
| Metro Inc. | Food and Food Distribution ; Retail |
| MicroMedics | Bio-Tech, High-Tech and Software ; Business Products and Services |
| Midwest Adoption Center | Nonprofit |
| Midwest Electric | Business Products and Services |
| Molson | Food and Food Distribution ; Retail |
| Monette, Barakett, Levesque & Pednault | Business Products and Services |
| Morisette, Downs | Business Products and Services |
| Morrison & Foerster | Business Products and Services |
| Motorola | Products, Manufacturing and Distribution ; Telecom, Media & Entertainment ; Bio-Tech, High-Tech and Software |
| Much Shelist | Business Products and Services |
| nalWorldwide | Business Products and Services ; Products, Manufacturing and Distribution |
| National Developers | Real Estate |
| National Public Radio | Telecom, Media & Entertainment |
| Navigant Consulting | Business Products and Services |
| Near North National Title | Real Estate |
| Neate Roller | Food and Food Distribution ; Retail |
| Neswold & Associates | Insurance |
| NewIns LLC. | Insurance |
| Nicholl Paskell-Mede | Business Products and Services |
| Nike | Retail |
| Nixon Peabody | Business Products and Services |
| North American Health Plans (NAHP) | Healthcare |
| Nuworld Amaranth | Retail |
| NVG Residential | Real Estate |
| OCCH/CPO - Ohio Capital Corporation for Housing & Community Properties of Ohio | Real Estate |
| Optica, Inc. | Retail |
| Outsource Fleet Business Products and Services, Inc. | Business Products and Services |
| Outsourced Solutions, Inc. (OSI) | Business Products and Services |
| Partworks, Inc. | Bio-Tech, High-Tech and Software |
| Pharmacies Jean-Coutu | Products, Manufacturing and Distribution ; Retail ; Healthcare |
| Pivot Design | Business Products and Services |
| Plaza Properties | Real Estate |
| Ply Gem Industries, Inc. | Products, Manufacturing and Distribution |
| Points West Sales | Food and Food Distribution ; Retail |
| Premier Eye Care | Retail |
| premierprint | Business Products and Services |
| Progistix | Products, Manufacturing and Distribution |
| Prosonic | Business Products and Services |
| Puma | Retail |
| Qualmetrix | Healthcare |
| R.J. O'Brien (RJO) | Financial Services |
| Raceline Motor Works | Retail |
| RDM Development / ALKO Construction | Real Estate |
| Real Capital | Real Estate ; Financial Services |
| Resort Condominiums Inc (RCI) | Real Estate ; Retail |
| Retalix LTD | Bio-Tech, High-Tech and Software |
| Rexel Inc | Retail |
| RHR International | Business Products and Services |
| Riverside Publishing | Business Products and Services |
| RJM Premium Nutraceuticles | Healthcare |
| Roche | Retail |
| Rockwell Automation, Inc. | Products, Manufacturing and Distribution ; Bio-Tech, High-Tech and Software |
| Romark Logistics | Products, Manufacturing and Distribution |
| RONA | Retail |
| SAQ | Business Products and Services ; Food and Food Distribution ; Retail |
| Schneider | Products, Manufacturing and Distribution |
| Seattle Housing Authority | Real Estate ; Business Products and Services |
| Sentry Insurance | Insurance ; Financial Services |
| Servitek | Retail |
| Shoppers Drug Mart | Retail |
| ShoreBank | Financial Services |
| Siemens Building Technologies | Business Products and Services ; Bio-Tech, High-Tech and Software |
| Sir Mortimer B. Davis Jewish General Hospital | Healthcare |
| Sobeys, Inc. | Food and Food Distribution ; Retail |
| Socrates Media | Business Products and Services ; Telecom, Media & Entertainment |
| Soundies | Telecom, Media & Entertainment ; Retail |
| Sports Profiles Plus | Telecom, Media & Entertainment ; Retail |
| Star Farm Productions | Telecom, Media & Entertainment |
| StayWell Custom Communications | Telecom, Media & Entertainment |
| Stewart Enterprises | Business Products and Services |
| Stop & Shop Supermarkets | Food and Food Distribution ; Retail |
| Sun Dome | Retail |
| SwitchFast | Business Products and Services |
| SXC Health Solutions, Inc. | Healthcare ; Business Products and Services |
| Syndicated Equities | Financial Services |
| SYSCO Food Services | Food and Food Distribution |
| Sysco US | Products, Manufacturing and Distribution ; Food and Food Distribution |
| TENCO | Financial Services |
| The Bay | Retail |
| The Cartwrigth Group Ltd.(Canada Law Book /Dye and Durham) | Business Products and Services |
| The Claro Group | Business Products and Services |
| The Gillette Company | Products, Manufacturing and Distribution |
| The Marketing Store | Business Products and Services |
| The National Basketball Association | Telecom, Media & Entertainment |
| The Source by CC | Retail |
| TicketsNow.Com | Business Products and Services |
| TJX | Retail |
| Tomasso Corporation | Food and Food Distribution ; Retail |
| U.S. Cellular | Telecom, Media & Entertainment |
| Ubiquity Brands | Food and Food Distribution ; Retail |
| Uhlmann Price Securities, LLC | Financial Services |
| Ultima | Food and Food Distribution ; Retail |
| Underwriters Laboratories | Nonprofit ; Business Products and Services |
| United Center | Telecom, Media & Entertainment |
| University HealthSystem Consortium | Nonprofit ; Business Products and Services ; Healthcare |
| University of Chicago GSB | Business Products and Services ; Nonprofit |
| VCOM | Bio-Tech, High-Tech and Software |
| Velan | Products, Manufacturing and Distribution |
| Ventas Inc | Real Estate |
| Video Replay | Bio-Tech, High-Tech and Software |
| Walmart | Retail |
| Walmart - Canada | Products, Manufacturing and Distribution ; Retail |
| Warady & Davis | Business Products and Services |
| Washington Mutual (WaMu) | Financial Services |
| Wave Technologies | Bio-Tech, High-Tech and Software |
| Wendy's International, Inc. | Food and Food Distribution ; Retail |
| Weston Bakeries | Food and Food Distribution ; Retail |
| Wheaton Franciscan | Healthcare ; Business Products and Services |
| Whirlpool | Products, Manufacturing and Distribution |
| WinWholesale | Business Products and Services ; Products, Manufacturing and Distribution |
| WMS Gaming | Telecom, Media & Entertainment ; Bio-Tech, High-Tech and Software |
| XERTREX International | Products, Manufacturing and Distribution |
| YellowBrix | Bio-Tech, High-Tech and Software |
| Zellers | Retail |
