Confirmed participants to date:

Company/Organization Website
Absolute Production Services
Ace Hotel Chicago
Boelter Event Center
Breather Meeting Rooms Chicago
Chicago Beer Experience, Inc.
Chicago Zoological Society | Brookfield Zoo
Come Sailing, Inc.
Convention Connection Staffing
Cool Mountain Beverages, Inc
Crowne Plaza Chicago Southwest at Burr Ridge
DuSable Museum of African American History
Edd Fairman, Wizard of Sorts
Feast & Imbibe
Five Grain Events
Garrett Brands
Gino's East
Giordano Dance Chicago
Go Ape Treetop Adventure
Hotel Chicago - Illinois Medical District
Howard Medical Company
8 Hospitality Group  
  Hubbard Inn
  Joy District
Kaiser Tiger
Kings Lincoln Park & Rosemont
Lettuce Entertain You Restaurants
LTC Language Solutions
Macello Ristorante
Motor Row Brewing
National A Philip Randolph Pullman Porter Museum
Navy Pier / SMG
Prime Electrical & Exhibition Services
SafeHouse Chicago
TagPrints (Corporate Photo Booths & Event Technology)
The Alise Chicago, a Staypineapple Hotel
The Escape Game Chicago
The Florentine
The Robey Chicago
TherapyProfessionals, Inc
Vertiport Chicago
Vice District Brewing
Viceroy Chicago
Volume Eventz
Vosges Haut-Chocolat
Windy City Smokeout