They expanded to more locations, and took the company public in 1961.
He and his family later expanded the business to three other locations around Chicago.
The plans are to expand to 5000 locations by the end of 2015.
The institute was started in the 1960s and then expanded to different locations.
Expanding to 367 locations in its second week, the film moved to ninth place with $4.4 million.
The store became successful and by 1970 had expanded to three locations in the state with two more under construction.
The western end has been expanded twice to different locations on the Wisconsin state line.
By 1774 the firm employed 600 workers; in the next five years it expanded to new locations.
The franchise has expanded to nine locations, three of which opened in 2011.
By 1956, 8 years after being founded, the chain had expanded to 17 locations in eight states.