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The 28 largest Restaurants companies in Illinois

Tamtam tracks 28 Restaurants companies headquartered in Illinois. This list ranks all of them by number of employees on LinkedIn, led by McDonald's, Portillo's and Potbelly Sandwich Works. Their median headcount is 223. Half of them were founded in 2001 or later. The most common headquarters are Chicago (14).

馃嚭馃嚫 Illinois28 companiesUpdated Oct 24, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
McDonald'scorporate.mcdonalds.com

global fast-food restaurant chain operating over 37,000 locations worldwide, serving popular menu items and employing 1.9 million people

Restaurants 馃嚭馃嚫 Chicago 261,219 n/a
2
Portillo'sportillos.com

Established in 1963, this company serves fresh and homemade food in nostalgic themed restaurants, specializing in classic Chicago-style hot dogs and Italian beef sandwiches

Restaurants 馃嚭馃嚫 Oak Brook 3,585 1963
3
Potbelly Sandwich Workspotbelly.com

A neighborhood sandwich shop known for oven-toasted sandwiches, soups, shakes, and cookies, offering fast, friendly service in a welcoming environment

Restaurants 馃嚭馃嚫 Chicago 3,397 1977
4
Restaurant.comrestaurant.com

A trusted source connecting diners with local restaurants, offering savings, digital marketing services, and cost-effective gift certificate solutions to drive revenue

Restaurants 馃嚭馃嚫 Arlington Heights 3,328 1999
5
Lettuce Entertain You Restaurantslettuce.com

Owns, manages, and licenses over 110 restaurants across multiple states, offering diverse dining experiences from fast casual to fine dining concepts.

Restaurants 馃嚭馃嚫 Chicago 2,225 1971
6
Lou Malnati's Pizzerialoumalnatis.com

A family-owned pizza business with deep roots in Chicago, known for their delicious deep dish pizzas made with quality ingredients and a secret recipe crust

Restaurants 馃嚭馃嚫 Northbrook 1,111 1971
7
Biaggi's Ristorante Italianobiaggis.com

Casual Italian restaurant with extensive menu of pastas, soups, salads, pizza, seafood, steaks, and desserts Offers private event rooms and operates in 16 locations

Restaurants 馃嚭馃嚫 Bloomington 655 1999
8
Gibsons Restaurant Groupgrgmc.com

Established in 1989, the company operates 14 locations across 4 states and offers 9 distinct restaurant concepts, prioritizing hospitality, quality, and value

Restaurants 馃嚭馃嚫 Chicago 644 1989
9
Hogsalthogsalt.com

Innovative restaurant group with over 20 quirky and beautiful establishments, focused on creating memorable dining experiences with classic dishes executed exquisitely

Restaurants 馃嚭馃嚫 Chicago 335 2010
10
Four Corners4cbars.com

Leading Chicago-based hospitality group with 10+ unique venues offering exceptional social experiences, creative menus, and superior service through strategic partnerships

Restaurants 馃嚭馃嚫 Chicago 331 2001
11
Egg Harbor Cafeeggharborcafe.com

Gourmet breakfast and lunch restaurant chain with 21 locations in Illinois, Wisconsin, and Georgia Focus on developing restaurant leaders and fostering community care

Restaurants 馃嚭馃嚫 Bannockburn 328 1985
12
Amplerampler.com

"AMPLER is a company with four renowned brands that provide limited breakfast, lunch, and dinner options in their restaurants"

Restaurants 馃嚭馃嚫 Chicago 292 2017
13
Buonabuona.com

Family-owned restaurant group specializing in authentic Italian Beef sandwiches made with all-natural beef, fresh ingredients, and a friendly atmosphere

Restaurants 馃嚭馃嚫 Burr Ridge 225 1981
14
Aurelio's Pizzaaureliospizza.com

Family-owned restaurant franchise established in 1959, with over 40 locations nationwide Known for providing a friendly dining experience with quality, quantity, and value

Restaurants 馃嚭馃嚫 Homewood 223 1959
15
Naf Naf Middle Eastern Grillnafnafgrill.com

Fast casual restaurant offering fresh, authentic Middle Eastern food including award-winning shawarma and falafel with multiple locations and franchising opportunities available

Restaurants 馃嚭馃嚫 Chicago 183 2009
16
Bottleneck Managementbottleneckmgmt.com

Vibrant restaurants focused on genuine hospitality, with a commitment to supporting and empowering employees through career advancement programs

Restaurants 馃嚭馃嚫 Chicago 174 2001
17
Scott Harris Hospitalityshhospitality.co

A restaurant group offering classic Italian dishes, contemporary twists on Italian cuisine, and modern Mexican fare across multiple locations

Restaurants 馃嚭馃嚫 Bensenville 173 1992
18
Beer Housebeerhousechicago.com

A unique venue in Lombard offering 60 tap and hundreds of bottled beers, live entertainment, sports viewing, and food options from nearby restaurants

Restaurants 馃嚭馃嚫 Lombard 165 2013
19
Buona Companiesbuona.com

Family-owned restaurant with roots in Italy, serving traditional recipes like Italian Beef sandwiches, pizza, and hot dogs in greater Chicago Passionate about authentic dining experiences

Restaurants 馃嚭馃嚫 Burr Ridge 152 1981
20
One Off Hospitality Grouponeoffhospitality.com

Restaurant management company in Chicago with popular establishments like Publican, avec, and Big Star, focusing on hospitality and exceptional dining experiences

Restaurants 馃嚭馃嚫 Chicago 150 n/a
21
Craveworthy Brandscraveworthybrands.com

Creating a diverse family of brands focused on delivering exceptional food and guest experiences, providing opportunities for growth, and offering franchise opportunities nationwide

Restaurants 馃嚭馃嚫 South Elgin 73 2022
22
Honey-Jam Cafehoneyjamcafe.com

Cozy neighborhood gathering place serving various breakfast and lunch items like omelettes, pancakes, and sandwiches alongside house-brewed drinks and extensive event catering services.

Restaurants 馃嚭馃嚫 Downers Grove 49 2010
23
Blue Box Cafetheblueboxcafe.com

This company in Elgin, IL specializes in offering sandwiches and coffee to their customers

Restaurants 馃嚭馃嚫 Elgin 19 n/a
24
Ipsentoipsento.com

A cozy coffee shop roasting its own beans, offering unique, high-quality micro-lot coffees sourced directly by the owner Award-winning professionals serve serious coffees

Restaurants 馃嚭馃嚫 Chicago 18 2009
25
Tortoise Supper Clubtortoisesupperclub.com

Restaurant specializing in refined American classics, offering a warm and welcoming atmosphere reminiscent of scenes from classic movies Family-owned and operated

Restaurants 馃嚭馃嚫 Chicago 17 2012
26
The Southernthesouthernchicago.com

A lively bar offering Southern comfort food, dinner on weekdays, weekend brunch, and a rooftop patio for events, with late bar hours

Restaurants 馃嚭馃嚫 Chicago 14 2009
27
strange brew cafestrangebrew.cafe

A local cafe and coffee roaster, providing a welcoming atmosphere and freshly roasted coffee to the community

Restaurants 馃嚭馃嚫 Palos Hills 8 2018
28
Everybody鈥檚 Coffeeeverybodyscoffee.com

This company is a cafe and coffee roaster focused on building community, supporting farmers, and fighting racism and inequity

Restaurants 馃嚭馃嚫 Chicago 4 2014

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How this list is built

Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.

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