Yes... From their site:
Omega Yeast is available at the following stores:
Brew Camp
4639 N Damen Ave. | Chicago, IL 60625 | (773) 784-2400
821 Chicago Ave. | Evanston, IL 60602 | (847) 869-7127
Chicago Brew Werks
14903 S. Center Street | Plainfield, IL 60544 | 815-531-5557
Home Brew Shop, Ltd
225 West Main St. | St. Charles, IL 60174 | 630-377-1338
Chicagoland Winemakers, Inc.
689 W. North Ave. | Elmhurst, IL 60126 | 630-834-0507
Valpo Brew’s
307 E. Lincolnway Blvd. | Valparaiso, IN 46383 | 219-462-2233
What’s Brewing? Supply
335 W Northwest Highway | Palatine, Il 60067 | 847-359-Brew(2739)