List of Illinois companies
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Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...
companies A company, abbreviated as co., is a legal entity representing an association of people, whether natural, legal or a mixture of both, with a specific objective. Company members share a common purpose and unite to achieve specific, declared go ...
which includes notable companies that are headquartered in Illinois, or were previously headquartered in Illinois. In general, this list does not include companies headquartered in one of the municipalities of the
Chicago metropolitan area The Chicago metropolitan area, also colloquially referred to as Chicagoland, is a metropolitan area in the Midwestern United States. Encompassing 10,286 sq mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hi ...
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Companies based in Illinois


A

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Abbott Laboratories Abbott Laboratories is an American multinational medical devices and health care company with headquarters in Abbott Park, Illinois, United States. The company was founded by Chicago physician Wallace Calvin Abbott in 1888 to formulate known dr ...
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Abbvie AbbVie is an American publicly traded biopharmaceutical company founded in 2013. It originated as a spin-off of Abbott Laboratories. History On October 19, 2011, Abbott Laboratories announced its plan to separate into two publicly traded compan ...
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Abt Electronics Abt Electronics is an independent family-owned retailer in the United States of consumer electronics, major appliances, and furniture. Abt operates 880,000 square feet at a single location in Glenview, Illinois, on of land, and online since 19 ...
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Alliant Credit Union Alliant Credit Union is a member-owned financial cooperative headquartered in Chicago, Illinois. Alliant services employees, retirees, and members of qualifying organizations and their family members; any member of the Foster Care to Success; a ...
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Allstate The Allstate Corporation is an American insurance company, headquartered in Northfield Township, Illinois, near Northbrook since 1967. Founded in 1931 as part of Sears, Roebuck and Co., it was spun off in 1993 but still partially owned by S ...
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Alton Steel Alton Steel is a steel manufacturer, based in Alton, Illinois, United States. The company is a reincarnation of the Laclede Steel Company, which halted operations of its mill in 1998. The company entered bankruptcy in 2001, but emerged in 2003 wit ...
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American River Transportation Company American River Transportation Co., LLC (ARTCO) is a subsidiary of Archer Daniels Midland (ADM). It provides river transportation, including barges and a shipyard; it also operates towboats on the Illinois River, Mississippi River, and Ohio Ri ...
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Anixter Anixter International Inc. is a company based in Glenview, Illinois, United States and founded in 1957. The company supplies goods and services for communications, security, networking, audio-visual, and industrial control applications. The com ...
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Archer Daniels Midland The Archer-Daniels-Midland Company, commonly known as ADM, is an American multinational food processing and commodities trading corporation founded in 1902 and headquartered in Chicago, Illinois. The company operates more than 270 plants and 42 ...
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Astro-Physics Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. As one of the founders of the discipline said, Astrophysics "seeks to ascertain the nature of the hea ...
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Axium Foods Axium Foods, Inc., a division of McCleary, Inc., is a manufacturer of corn-based snack products, including plain and flavored tortilla chips, corn chips, puffed cheese snacks, and crunchy cheese snacks. Headquartered in South Beloit, IL, it is a ...


B

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Basler Electric {{Paid contributions, date=August 2021 Basler Electric is a manufacturer of power systems products based in Highland, Illinois. The company was founded in 1942 by Carl Basler. In 1945, they began producing custom transformers. In 1959, Basler relea ...
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Beer Nuts Beer Nuts is an American brand of snack food building on the original product, peanuts with a sweet-and-salty glazing. According to the manufacturer, the ingredients include peanuts, coconut oil, corn syrup and salt. In the United States, Bee ...
* Believers Broadcasting Corporation *
Bell Sports Bell Sports is an American maker of bicycle and motorcycle helmets. The company is a subsidiary of Vista Outdoor, after BRG Sports –owner of Riddell football helmets– sold some of its brands (including Bell, Giro, C-Preme, and Blackburn) to ...
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Belly (loyalty program) Belly was founded in August 2011 in Chicago by Logan LaHive and Craig Ulliott, receiving its initial round of around $3M in funding from Chicago-based venture capital firm Lightbank. Belly provides a loyalty program for merchants, using an in-st ...
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BMO Harris Bank BMO Harris Bank, N.A. is an American bank based in Chicago, Illinois. It is a member of the Federal Reserve System and operates branches in the states of Illinois, Indiana, Arizona, Missouri, Minnesota, Kansas, Florida, Wisconsin, and California ...
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BenchPrep BenchPrep is an American company that provides cloud-based study guides for standardized tests, professional certifications, and K-12 classroom learning. It has partnered with educational publishers such as McGraw Hill, John Wiley & Sons, and the ...
* Black Dog Books *
Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and product ...
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Braintree (company) Braintree is a Chicago-based company that primarily deals in mobile and web payment systems for e-commerce companies. The company was acquired by PayPal on September 26, 2013. History Braintree was founded by Bryan Johnson in 2007. By 2011, the ...
* Brewer Investment Group * Brown County State Bank * Bunn-O-Matic Corporation *
Busey Bank First Busey Bank is a bank based in Illinois, United States owned by financial holding company First Busey Holding with its headquarters in Champaign, Illinois. It has operations in Illinois, Indiana and southwest Florida The bank offers a f ...
* Byline Bank


C

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Cars.com Cars.com is an automotive classified website focused on the United States that launched in June 1998 and now is the second largest automotive classified site. Its headquarters are located in Chicago, Illinois. History A 2003 ''Library Journal' ...
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Caterpillar Inc. Caterpillar Inc. (stock symbol CAT) is an American ''Fortune'' 500 corporation and the world's largest construction-equipment manufacturer. In 2018, Caterpillar was ranked number 65 on the ''Fortune'' 500 list and number 238 on the Global ''Fo ...
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CDW CDW Corporation, headquartered in Lincolnshire, Illinois, is a provider of technology products and services for business, government and education. The company has a secondary division known as ''CDW-G'', devoted solely to United States governm ...
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Citadel LLC Citadel LLC (formerly known as Citadel Investment Group, LLC) is an American multinational hedge fund and financial services company. Founded in 1990 by Kenneth C. Griffin, it has more than $50 billion in assets under management . The company h ...
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Citizens Equity First Credit Union Citizens Equity First Credit Union is a federally insured credit union based in Peoria, Illinois, commonly referred to by its registered trademark, CEFCU. CEFCU was founded in 1937 to serve the employees of Caterpillar Tractor Company. It began ...
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City Water, Light & Power City Water, Light & Power (CWLP) is the largest municipally owned utility in the U.S. state of Illinois.About CWLP ...
* Conagra Brands *
Consolidated Communications Consolidated Communications Holdings, Inc., doing business as Consolidated Communications, is an American broadband and business communications provider headquartered in Mattoon, Illinois. The company provides data, internet, voice, managed an ...
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Country Financial Country Financial (capitalized trademark COUNTRY Financial) is a group of US insurance and financial services companies with customers in 19 states. The group of companies offers a range of insurance and financial products and services, includ ...
* Credit Union 1


D

* Dawn Equipment Company *
Daxcon Bungkudu Adalah salah satu Desa yang terletak di Kecamatan bukal,kabupaten buol Sulawesi tengah.B History Daxcon was founded in 1996 in Central Illinois. Its management team first started working in the engineering design industry in the 1980s. ...
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Detonics Detonics is an American firearm manufacturing company founded around 1976, which has existed under several owners and variants of this name. Detonics is best known for its innovative design of compact self-loading pistol A pistol is a handgun ...
* Discover Financial *
Donnelley Financial Solutions Donnelley Financial Solutions (DFIN) is a financial compliance company based in Chicago, Illinois, United States. The company provides software as a service (SaaS) products, software-enabled services (SeS), print, and compliance services related ...
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Dot Foods Dot Foods is the largest foodservice redistribution company in the United States. Dot offers over 112,000 products from 830 food industry manufacturers. Dot consolidates those products and delivers in less-than-truckload (LTL) quantities to dist ...
* Dover Corporation


E

* Eli Bridge Company * Elliott Aviation * Estwing


F

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Federal Signal Corporation Federal Signal Corporation is an American manufacturer headquartered in Oak Brook, Illinois. Federal Signal manufactures street sweeper vehicles, public address systems, emergency vehicle equipment, and emergency vehicle lighting. The compan ...
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Ferrara Candy Company The Ferrara Candy Company is an American candy manufacturer, based in Chicago, Illinois, and owned by the Ferrero Group. The company was formed from a 2012 merger of the Illinois-based Ferrara Pan Candy Company and Minnesota-based Farley's & Sa ...
* First Midwest Bancorp * Fieldglass *
Follett Corporation Follett Corporation is a Westchester, Illinois-based company that provides a variety of educational products to schools, colleges, and public libraries through its subsidiaries. History Follett Corporation was founded in 1873 when Charles M. Bar ...
* The Frantz Manufacturing Company *
Frasca International Frasca International, Inc., is an American manufacturer of flight simulation training devices, with over 3000 training devices delivered in approximately 70 countries throughout the world. Based in Urbana, Illinois, Frasca International was fo ...


G

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Gardner Denver Ingersoll Rand is an American multinational company that provides flow creation and industrial products. The company was formed in February 2020 through the spinoff of the industrial segment of Ingersoll-Randplc (now known as Trane Technologies) ...
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GE Healthcare GE HealthCare is a subsidiary of American multinational conglomerate General Electric incorporated in New York and headquartered in Chicago, Illinois. As of 2017, it is a manufacturer and distributor of diagnostic imaging agents and radiopharma ...
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Glik's Glik's is an American retail clothing chain based in Granite City, Illinois. It was founded in 1897 by Joseph Glik. The chain operates more than 65 locations in 11 states across the Midwestern United States, primarily in Illinois, Michigan, Nebrask ...
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Gogo Inflight Internet Gogo Inc. is an American provider of in-flight broadband Internet service and other connectivity services for business aircraft, headquartered in Broomfield, Colorado. Through its Gogo LLC subsidiary, Gogo previously provided in-flight WiFi to ...
* GoHealth *
Golub Capital Golub Capital is a credit Asset management, asset manager based in the United States with over $40 billion of capital under management. The firm has primary business lines in Middle-market company, middle market lending, late stage lending, and ...
* Great Planes Model Manufacturing *
Greenlee Greenlee is an American industrial and electrical tool company headquartered in Rockford, Illinois. It was founded in 1862 by brothers Robert and Ralph Greenlee to manufacture their invention, a drill surrounded by four chisel blades, used in ...
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Group O Group O, headquartered in Milan, Illinois, is one of the largest Hispanic-minority business enterprise, owned companies in the U.S. and a provider of managed products and services. History Group O was founded in Milan, Illinois in 1974 by Rober ...
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Growmark Growmark, Inc., is a regional agricultural supply cooperative operating in more than 40 states and one operation in Ontario, Canada. Its local member cooperatives commonly use the name FS ("Farm Supply"). Growmark ranks 74th on the ICA Global 3 ...
* Groupon * Grubhub *
GTCR GTCR LLC is a Chicago, Illinois-based private equity firm focused on leveraged buyout, leveraged recapitalization, growth capital and rollup transactions. The firm principally invests in high-growth industries, including financial services & tec ...


H

* Harrisonville Telephone Company *
Horace Mann Educators Corporation Horace Mann is an Illinois-based Automobile insurance, auto, Property insurance, property, Supplemental insurance, supplemental and life insurance, as well as financial services company that focuses on Retirement annuity, retirement annuities ...
* Horizon Hobby *
Hyatt Hyatt Hotels Corporation, commonly known as Hyatt Hotels & Resorts, is an American multinational hospitality company headquartered in the Riverside Plaza area of Chicago that manages and franchises luxury and business hotels, resorts, and vacat ...


I

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Ideal Industries Ideal Industries is an American company that produces connectors, hand tools, testers, and meters for the electrical and telecommunications industries. The company manufactures many of its products in the United States. It also owns Western Fo ...
* Illinois National Bank * IMC Financial Markets * Invenergy * Illinois Tool Works


J

* Jimmy John's * JLL (company) *
John Deere Deere & Company, doing business as John Deere (), is an American corporation that manufactures agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains (axles, transmissions, gearboxes) used in heavy equipment, ...


K

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Kress Corporation Kress Corporation is an American off-road truck manufacturer located in Brimfield, Illinois. Founded in 1965 by Ted Kress Edward S. "Ted" Kress (March 26, 1931 – February 15, 2003) was an American football player and businessman. He was the ...
* Kraft Foods


L

* Legacy Audio *
Levi, Ray & Shoup Levi, Ray & Shoup, Inc. (LRS) is a privately held multinational corporation headquartered in Springfield, Illinois USA that develops and sells computer software, along with providing a range of information technology services, through its var ...
* Lewis Machine and Tool Company *
Lightbank Lightbank is a financial organization that specializes in making venture capital investments in "disruptive" technology companies in the United States including seed investments, Series A round and late-stage investments. It combines investment ...


M

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Maui Jim Maui Jim is an American sunglasses manufacturer based in Peoria, Illinois. Founded in Lahaina, Hawaii, in 1980, the company designs, develops, and manufactures a wide variety of sunglasses marketed under the eponymous brand name. As of 2015, it ...
* Madison Dearborn Partners * Meatheads Burgers & Fries * Metropolitan Educational Enterprises *
Monical's Pizza Monical's Pizza is an American regional pizza chain, which, as of 2019, consists of over 60 locations in Illinois, Indiana, Missouri and Wisconsin. About half of the locations are franchised, while the others are owned by the corporation.
* Morton Salt *
Morningstar, Inc. Morningstar, Inc. is an American financial services firm headquartered in Chicago, Illinois and was founded by Joe Mansueto in 1984. It provides an array of investment research and investment management services. With operations in 29 countries, ...
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Motorola Mobility Motorola Mobility LLC, marketed as Motorola, is an American consumer electronics manufacturer primarily producing smartphones and other mobile devices running Android OS, Android. It is a subsidiary of the Chinese multinational technology company ...
* Motorola Solutions * Mrs. Fisher's *
McDonald's McDonald's Corporation is an American Multinational corporation, multinational fast food chain store, chain, founded in 1940 as a restaurant operated by Richard and Maurice McDonald, in San Bernardino, California, United States. They rechri ...


N

* Nalco Holding Company * National Railway Equipment Company *
Navistar International Navistar, Inc is an American holding company created in 1986 as the successor to International Harvester. Navistar operates as the owner of International-branded trucks and diesel engines. The company also produces buses under the IC Bus br ...
* Northern Trust * Nuveen


P

* Pacific Bearing Company * Pactiv *
ParkWhiz ParkWhiz is an e-parking service that allows users to book parking spaces before reaching their destinations. ParkWhiz headquarters is located in Chicago, Illinois. Origins ParkWhiz was founded in 2006 by Aashish Dalal and Jon Thornton. The com ...
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Peoria Charter Coach Company Peoria Charter Coach Company is a family-owned bus company based in Peoria, Illinois, which provides charter bus services, custom group tours, and transportation from several universities in Illinois to Chicago suburbs and airports. It is a contra ...
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Pioneer Railcorp Pioneer Lines (formerly Pioneer Railcorp) is a holding company for a number of American short-line railroads. Other subsidiaries offer locomotive and freight car leasing to its own railroads and to third parties, and also freight car cleaning. Pio ...
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Plochman's Plochman's is an American brand of mustard that is made by the Plochman, Inc., company based in Manteno, Illinois. It is most recognized by its barrel shaped bottle. Founded in 1852 as Premium Mustard Mills in Chicago, it was later acquired by ...
* Portillo's Restaurants * Potbelly Sandwich Shop *
Peapod Peapod Online Grocer (US), LLC is an American online grocery delivery service. By February 2022, it changed its name to Peapod Digital Labs. The company is based in Chicago, IL and operated in several U.S. cities. It is owned by Netherlands-bas ...


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QCR Holdings QCR Holdings, Inc., through its subsidiaries, provides commercial and consumer banking, and trust and investment management, asset management services for the Quad Cities, Quad City and Cedar Rapids, Iowa, Cedar Rapids communities. QCR Holdings, ...
* Quincy Media


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RLI Corp. RLI Corp. is an American insurance company specializing in property insurance and casualty insurance. It is headquartered in Peoria, Illinois. RLI conducts its operations primarily through four insurance subsidiaries — RLI Insurance Company, Mt ...
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RR Donnelley R.R. Donnelley is an American Fortune 500 integrated communications company that provides marketing and business communications, commercial printing, and related services. Its corporate headquarters are located in Chicago, Illinois, United State ...
* Road Ranger * Rock River Arms * Rural King


S

* Sears & Roebuck * Shakespeare Squared *
Shaw Media Shaw Media was the television broadcasting division of Shaw Communications. Shaw Media owned the Global Television Network, which broadcasts nationally via 13 television stations, as well as 19 specialty channels including Slice (TV channel), Sli ...
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Skidmore, Owings & Merrill Skidmore, Owings & Merrill (SOM) is an American architectural, urban planning and engineering firm. It was founded in 1936 by Louis Skidmore and Nathaniel A. Owings, Nathaniel Owings in Chicago, Illinois. In 1939, they were joined by engineer Jo ...
* SpotHero *
Springfield Armory, Inc. Springfield Armory, Inc., is an American commercial firearms manufacturer and importer based in Geneseo, Illinois. Founded in 1974 by Bob Reese and family, the company produces rifles such as the Springfield Armory M1A, M1A and imports handguns ...
* STARadio Corporation *
State Farm State Farm Insurance is a large group of mutual insurance companies throughout the United States with corporate headquarters in Bloomington, Illinois. Overview State Farm is the largest property and casualty insurance provider, and the la ...
* Suburban Express


T

* Testor Corporation *
Thoma Bravo Thoma Bravo, LP, is an American private equity and growth capital firm with offices in San Francisco, Chicago and Miami. It is known for being particularly active in acquiring software companies and has over $114 billion in assets under manage ...
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Titan Tire Corporation The Titan Tire Corporation is an American tire corporation formed in 1993 by Maurice M. Taylor Jr., then owner of Titan Wheel, purchased the Dyneer Corporation, manufacturer various off-road tires. Titan is one of the largest manufacturer of of ...
* Tower Hobbies *
Trend Is Dead! Records Trend Is Dead! Records (stylized tREND iS dEAD! records) is an independent record label in Normal, Illinois. The label was founded in 1995 and released titles on cassette and vinyl before switching to compact discs. Trend Is Dead! is recognized ...
* Tri-State Christian Television


U

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United Airlines United Airlines, Inc. (commonly referred to as United), is a major American airline headquartered at the Willis Tower in Chicago, Illinois.
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Uptake (business) Uptake is an industrial artificial intelligence ( AI) software company. Built around a foundation of data science and machine learning, Uptake’s core products include an Asset Performance Management application and a fully managed platform. Upt ...


V

* Volition * Vivid Seats


W

* Wahl Clipper *
Walgreens Boots Alliance Walgreens Boots Alliance, Inc. is an American-British-Swiss holding company headquartered in Deerfield, Illinois that owns the retail pharmacy chains Walgreens and Boots, as well as several pharmaceutical manufacturing and distribution companies ...
* Western Cartridge Company *
West Monroe Partners West Monroe is a national management and technology consulting firm headquartered in Chicago, United States. West Monroe provides professional consulting services to businesses across many industries, including consumer and industrial products, e ...
* Wicks Organ Company *
Wiss, Janney, Elstner Associates, Inc. Wiss, Janney, Elstner Associates, Inc. (WJE) is an American corporation of architects, engineers, and materials scientists specializing in the investigation, analysis, testing, and design of repairs for historic and contemporary buildings and stru ...
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Wolfram Research, Inc. Wolfram Research, Inc. ( ) is an American multinational company that creates computational technology. Wolfram's flagship product is the technical computing program Wolfram Mathematica, first released on June 23, 1988. Other products include W ...
* Wrigley Company


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Zebra Technologies Zebra Technologies Corporation is an American mobile computing company specializing in technology used to sense, analyze, and act in real time. The company manufactures and sells marking, tracking, and computer printing technologies. Its product ...


Companies formerly based in Illinois


A

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A. E. Staley Primary Products Ingredients Americas LLC (founded as A. E. Staley Manufacturing Company), also formerly known as Tate & Lyle Primary Products, is an American subsidiary of Tate & Lyle PLC and produces a range of starch products for the food, p ...
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ArmaLite ArmaLite, or Armalite, is an American small arms engineering company, formed in the early 1950s, in Hollywood, California. Many of its products, as conceived by chief designer Eugene Stoner, relied on unique foam-filled fiberglass butt/stock fur ...
* Aventine Renewable Energy


D

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DeKalb Genetics Corporation DeKalb Genetics Corporation (often stylized DEKALB; formerly DeKalb Agricultural Association and DEKALB AgResearch) was a diversified company headquartered in DeKalb, Illinois that marketed agricultural seeds and other products. The company was ...


H

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Hilander Foods Hilander was a small chain of supermarkets in the metro area of Rockford, Illinois in the United States. The stores were operated by Schnucks, which acquired the chain from The Kroger Co. on September 21, 2011. As of May 2013, the stores hav ...
* Hobbico


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Nortrax NORTRAX, Inc. is an American corporation with headquarters in Mississauga, Ontario., Laval, Quebec. and Westbrook, Maine. Nortrax is a subsidiary of machinery manufacturer John Deere. Nortrax sells heavy equipment, such as bulldozers and b ...


R

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Ryan International Airlines Ryan International Airlines, Inc. was an American FAR 121 airline with domestic, flag, and supplemental authority. Synopsis and history Based at Chicago Rockford International Airport in Rockford, Illinois, the US Postal Service was once the a ...


S

* Sundstrand Corporation


See also

*
List of breweries in Illinois Breweries in Illinois produce a wide range of beers in different styles that are marketed locally, regionally, nationally, and internationally. Brewing companies vary widely in the volume and variety of beer produced, from small nanobreweries a ...
* List of casinos in Illinois *
List of companies in the Chicago metropolitan area This is a list of companies in the Chicago metropolitan area. The Chicago metropolitan area – also known as "Chicagoland" – is the metropolitan area associated with the city of Chicago, Illinois, and its suburbs. With an estimated populati ...
* List of newspapers in Illinois * List of wineries in Illinois


References

{{DEFAULTSORT:Companies, List Of Illinois *
Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...