Restaurants.com
- Searchable database for Illinois restaurants.
- http://www.restaurants.com/US/State.asp?StateAbbrev=IL

Porter's Steak House
- Chicago and Collinsville locations serve prime steaks and offer a cigar bar.
- http://www.porterssteakhouse.com/

T.A.G. Restaurants
- Owns and operates dining establishments in Chicagoland and Peoria. Includes menus and contacts.
- http://www.tagrestaurants.com/

IRA - Illinois Restaurant Association
- A comprehensive food service resource. Includes details on membership, activities and events, education, government resources, media and communications, and contacts.
- http://www.illinoisrestaurants.org/

Oberweis Dairy
- Serves premium ice cream and dairy products; site features include product line, nutritional information, plant tours, just for kids area, community bulletin board, FAQs, and locations throughout the state.
- http://www.oberweisdairy.com/