- ABC Sports
- Adidas USA, Inc.
- Advocate Healthcare
- Aladdin Resort Casino
- Alliant Foodservice
- Allied Fibers
- American Beauty Association
- American Red Cross
- AMOCO Corporation
- Andersen Consulting
- Anheuser Busch
- Arlington Park Racetrack
- Art Institute of Chicago
- Arrow Electronics
- Atlanta Committee For The Olympic Games
- Avnet
- Avon
- Baxter Credit Union
- Beatrice Companies, Inc.
- Beckman Coulter
- BizBash
- Black Ensemble Theater Company
- Blue Cross/Blue Shield
- Borgata Resort & Casino
- Boyd Gaming
- Breeder’s Cup
- Buena Vista Pictures
- Burson Marsteller
- Cannon USA, Inc.
- Catalina Conservancy
- CDW
- Central DuPage Hospital
- Charles Schwab
- Chicago Architecture Foundation
- Chicago Title & Trust
- Children’s Defense Fund
- Churchill Downs, Inc.
- Canadian Imperial Bank of Commerce (CIBC)
- Cirque du Soleil
- Cisco
- Citrix
- City of Chicago
- City of Los Angeles
- City of Pasadena
- City of San Diego
- City of West Hollywood
- Coca Cola USA
- Comedy Central
- Commvault
- Continental Can Company
- CJE SeniorLife
- Crain’s Communications
- Chicago Cubs
- Culligan
- Deer Park Town Center
- Delta Airlines
- Delta Faucets
- DIFFA
- Disney Regional Entertainment
- DisneyQuest
- Duke University
- Edelman Worldwide
- Empress Casino
- ESPN
- ESPN Zone
- Elizabeth Taylor AIDS Foundation
- The Federal Reserve
- Ferrara Candy Company
- Field Museum Auxiliary Board
- Florsheim Shoe Company
- Florida Atlantic University
- Foote, Cone & Belding
- Ford Motor Company
- Four Winds Casino
- FOX Broadcasting
- Friends Of Israel Defense Forces
- Friends of Prentice
- G&W Electric
- Google
- Greater Milwaukee Convention & Visitors Bureau
- GROHE America, Inc.
- Grosvenor Capital Management
- Groupon
- Hard Rock Casino Northern Indiana
- Harley Davidson Owner’s Group
- Harrah’s Entertainment Group
- Hazelden Betty Ford Foundation
- Helene Curtis
- Hewitt Associates
- Hewlett Packard
- Highland Park Hospital
- HMSHost
- Hong Kong Tourist Association
- Horseshoe Casino
- Housewares Charity Foundation
- Hyatt Hotels Corp.
- IBM
- Illinois Dept. of Commerce
- Illinois Institute of Art
- Illinois Restaurant Association
- Joe Robbie Stadium
- Juvenile Diabetes Foundation
- KAPOW
- KasparovChess.com
- KCOP TV
- Lakes Entertainment
- Latin School of Chicago
- Lexus
- Lexus
- Lighthouse For The Blind
- Lynn Sage Cancer Foundation
- Lorimar Pictures
- Lupus Foundation
- Mac Meetings
- MAGIC, International
- Majestic Star Casino
- Major League Baseball
- Margie Korshak Inc.
- Marriott Corporation
- Maritz Travel Company
- Masterfoods USA
- McDonald’s Corporation
- MDM Group
- Mercedes Benz
- Mercer
- Merrill Lynch & Co.
- MGM Resorts International
- Michael Jordan Foundation
- Midwest Express Center
- Miller Brewing Company
- Mitsubishi Motors
- Morongo Casino, Resort & Spa
- Multiple Myeloma Research Foundation
- Museum of Contemporary Art
- National Conference Of Sate Legislatures
- National Kidney Cancer Association
- National Kidney Foundation
- National Football League
- National PTA
- NetApp
- Nike
- Nissan Motor Company
- North Carolina State Museum
- Northwest Airlines
- Northwestern Memorial Foundation
- Northwestern Memorial Hospital
- Northshore Healthcare System
- Nutanix
- OKRP
- One Smooth Stone
- One Source Virtual
- The Oprah Show
- Palm Beach Int’l Film Festival
- PartySlate
- PEAK6 Investments, LP
- Pediatric AIDS Foundation
- Peninsula Chicago
- Philips Lighting Company
- Poag & McEwen
- POPSUGAR
- Preston Bailey Designs
- Presence Health
- Project Exploration
- Randhurst Village
- Red Hawk Casino
- Republican Governor’s Association
- Resurrection Healthcare
- Rivers Casino
- Ronald McDonald Children’s Charities
- Ron Jon Surf Shop, Inc.
- Rose Bowl
- The Rouse Company
- Samsung
- Sandra Hillman Communications
- Sara Lee
- SAS
- Sears, Roebuck & Co.
- Sedona Medical Center
- Senior Lifestyle Corporation
- Shell Oil Company
- Sheraton Hotels
- Shure Brothers Incorporated
- Sister To Sister Foundation
- Southern Wine & Spirits
- St. Ignatius
- Tishman Reality
- Tech Data
- Toshiba
- Town Center Plaza
- TrizecHahn Development
- Turner Broadcasting
- United Airlines
- University Of Chicago
- Urban Land Institute
- Urban Retail Properties
- USA Today
- U.S. Open Golf Championship
- US Robotics
- U.S. Soccer Federation
- VH1
- Viacom Retail Group
- Virgin Atlantic Airways
- Walton Capital Management
- Warner Brothers
- William Blair & Company
- William Wrigley Jr. Company
- Williams Island
- Willie Wonka Candy Factory
- Wiss, Janney & Elstner Associates, Inc.
- World Market Center
- YMCA
