- ABN AMRO Bank
- Aon
- Allstate Insurance
- Allstate Motor Club
- American College of Radiology
- American Dental Association
- American Red Cross of Greater Chicago
- Art Institute of Chicago
- Association for the Advancement of Medical Instrumentation (AAMI)
- benefitdecisions
- Brain Research Foundation
- Burling Bank
- Chicago Academy of Sciences
- Chicago Bulls
- Chicago Children's Museum
- Chicago Herpetological Society
- Chicago Loop Alliance
- Chicago Sports Partners
- Chicago White Sox
- Chicagoland Chamber of Commerce
- Children's Home + Aid
- Churchill Centre
- City Produce Project
- Civic Consulting Alliance
- Cole Taylor Bank
- Commonwealth Edison
- Continental Airlines
- Domtar
- Equity Residential
- Figge Art Museum
- Ford Motor Company
- Four Seasons Hotels
- Frank Lloyd Wright Preservation Trust
- Georgia Pacific
- GE Capital Finance
- GCG Financial
- Giant Steps Illinois
- Goodman Theatre
- GTL
- Heartwood
- Hinshaw & Culbertson
- Hotel 71
- Inland Bank
- Illinois Consortium for 21st Century Learning
- Illinois Corn Growers Association
- Illinois Corn Marketing Board
- Illinois Renewable Fuels Association
- James Beard Foundation
- Jays Foods
- John Michael Kohler Arts Center
- Juvenile Diabetes Research Foundation
- Jewish Vocational Service
- Kemper Insurance
- LaSalle Bank
- LaSalle Bank Chicago Marathon
- Lincoln Snacks
- LINK Unlimited
- Lufthansa
- McDonald's
- Mesirow Financial
- Monsanto
- Motorola
- Museum of Broadcast Communications
- NorthShore University HealthSystem
- Northwestern Memorial Hospital
- Peggy Notebaert Nature Museum
- PriceWaterhouseCoopers
- Pulmonary Fibrosis Foundation
- Quaker Oats
- QuantaCore
- Racine Art Museum
- RAM Racing
- Ritz Carlton Hotels
- Sage Botanic Media
- Skyline Asset Management
- SportNet
- Strategic Hotel Capital
- Sun-Times Media Group
- Taylor Capital Group, Inc.
- UNICEF
- United Airlines
- US Equities
- WBEZ
