Attending as of October 19, 2020:

Albertsons Denver Division
Albertsons Southwest
Associated Food Stores, Inc
Associated Wholesale Grocers (AWG)
Babbs Supermarket
Bashas’ Markets, Inc.
Bozzuto’s, Inc.
Brookshire Grocery Co.
C & S Wholesale Grocers, Inc.
Defense Commissary Agency
Food Ventures North America dba Wild Fork Foods
The Giant Company
Giant Eagle Inc.
Grocery Outlet, Inc.
HAC, Inc. (Homeland Stores)
Harmon City, Inc.
Harris Teeter, LLC
Houchens Industries Inc.
Hy-Vee, Inc.
Ingles Markets
K-VA-T Food Stores, Inc.
Meijer, Inc.
Merchants Distributors, Inc.
Raley’s Family of Fine Stores
Schnuck Markets, Inc.
Southeastern Grocers 
Tops Markets, LLC
The United Family
Wakefern Food Corp.
Wegmans Food Markets
Weis Markets, Inc.
Whole Foods Market Inc.