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We figured out the best biggest companies to work for in Illinois using data on salaries, company financial health, and employee diversity. You can also search for the best biggest companies to work for in any other state or city.

Zippia score 4.4
Discover Financial Services is a direct banking and payment services company operating the Discover card and America's first cash rewards credit card. It is one of the largest card issuers in the United States. Beyond its flagship credit business, it also offers personal and student loans, home and home equity loans, online savings products, certificates of deposit, and money market accounts. Its payment businesses consist of Discover Financial Services' Discover Network, with millions of merchant and cash access locations; PULSE, one of the nation's leading ATM/debit networks; and Diners Club International, a global payments network with acceptance in more than 185 countries and territories. Discover Financial Services was founded in 1985 and is based in Deerfield, I.L.
Zippia score 4.8
DFS Corporate Services LLC operates as a subsidiary of Discover Financial Services.
Zippia score 4.2
Diners Club International is owned by Discover Financial Services (NYSE: DFS), a direct banking and payment services company with one of the most recognized brands in U.S. financial services. Established in 1950, Diners Club International became the first multi-purpose charge card in the world, launching a financial revolution in how consumers and companies pay for products and services. Today, Diners Club is a globally recognized brand serving the payment needs of select and affluent consumers, offering access to more than 450 airports lounges worldwide, and providing corporations and small business owners with a complete array of expense management solutions. With acceptance in more than 185 countries and territories, millions of merchant locations and access to over 845,000 cash access locations and ATMs, Diners Club is uniquely qualified to serve its cardmembers all over the world.
Zippia score 3.6
Center For Enriched Living is primarily engaged in providing one or more of a wide variety of individual and family social, counseling, welfare, or referral services, including refugee, disaster, and temporary relief services. This industry includes offices of specialists providing counseling, referral, and other social services.
Zippia score 3.8
People are regularly asking for recommendations as well as giving them out unsolicited. Unfortunately, these recommendations are given and received on almost every social platform with no easy method to keep track of them. We at Mylo believe users should be able to give, receive, and keep track of recommendations easily but more importantly, all in one place! From adding items to your bucket list to sending and receiving recommendations from friends, Mylo is your one stop shop for keeping track of all of the things you want to do. With Mylo, you'll never forget that awesome show, song, or restaurant that your friend told you that you needed to check out! Say goodbye to your notes app and hello to Mylo.
Zippia score 4.5
Capgemini SE is a French multinational corporation that provides consulting, technology, professional, and outsourcing services. It is headquartered in Paris, France. Capgemini has over 200,000 employees in over 40 countries, of whom nearly 100,000 are in India.
Zippia score 4.6
Cognizant (Nasdaq-100: CTSH) is a professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant is ranked 195 on the Fortune 500 and is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com or follow us @Cognizant
Zippia score 4.7
Wolters Kluwer Health is a provider of trusted clinical technology and evidence-based solutions that support clinicians, patients, researchers and students with advanced clinical decision support, learning and research and clinical intelligence.
Zippia score 4.4
Infosys Public Services offers next-gen digital services and consulting services to public sector organizations. Explore our digital government solutions now!
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Discover | |
| 2 | DFS Corporate Services LLC | |
| 3 | Diners Club International | |
| 4 | The Center for Enriched Living | |
| 5 | Mylo Recs |