Company Story
1963 - Dick Portillo opens The Dog House, a hot dog stand in Villa Park, Illinois, marking the beginning of Portillo's Inc.
1964 - Portillo's introduces its signature Chicago-style hot dog, featuring a Vienna Beef hot dog served on a poppy seed bun.
1984 - Portillo's opens its first restaurant in Elk Grove Village, Illinois, offering a broader menu and seating for customers.
1994 - Portillo's begins franchising its concept, leading to rapid expansion across the Midwest.
2004 - Portillo's is acquired by Berkshire Partners, a private equity firm, to support further growth and development.
2014 - Portillo's is acquired by OSI Restaurant Partners, LLC, an affiliate of OSI Group, LLC.
2019 - Portillo's goes public with an initial public offering (IPO) on the Nasdaq stock exchange under the ticker symbol PTLO.