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We figured out the best fortune 500 companies to work for in Illinois using data on salaries, company financial health, and employee diversity. You can also search for the best fortune 500 companies to work for in any other state or city.

Zippia score 4.7
Founded in 2004, Anthem Inc. has been the largest for-profit managed health care company in the Blue Cross and Blue Shield Association. Headquartered in Indianapolis, Indiana, Anthem, Inc. delivers a number of leading health benefit solutions through a broad portfolio of integrated health care plans and related services. This American health insurance company also offers specialty products such as life and disability insurance benefits, dental, vision, behavioral health benefit services, and more.
Zippia score 4.6
AT&T Inc. is a modern media company whose mission is to inspire human progress through the power of communication and entertainment. They bring together premium video content, a large base of direct-to-consumer relationships, high-speed networks optimized for video and advertising technology to lead the next revolution in technology, media and telecommunications. AT&T has recorded 35 consecutive years of quarterly dividend growth and is a Fortune 10 company.
Zippia score 4.6
Waters Brothers Contractors, Inc. is a heavy/highway general contractor with a rich history in earthmoving and site preparation, underground utilities construction, concrete construction, base and pave, and construction materials hauling. This trusted company serves both the public and private sectors on municipal, commercial and industrial projects. Much of Waters Brothers Contractors, Inc.'s work is the construction of large building sites but they are also involved in highway and street work for the DOT and municipalities.
Zippia score 4.5
Motorola Solutions, Inc. (NYSE: MSI) is a data communications and telecommunications equipment provider that succeeded Motorola Inc. following the spin-off of the mobile phones division into Motorola Mobility Holdings, Inc. in 2011. The company is headquartered in Schaumburg, Illinois, a Chicago suburb. Motorola Solutions creates innovative, mission-critical communication solutions and services that help public safety and commercial customers build safer cities and thriving communities. Its products can be found at work in a variety of industries including law enforcement, fire, emergency medical services, national government security, utilities, mining, energy, manufacturing, hospitality, retail, transportation and logistics, education, and public services. Motorola Solutions previously held the Enterprise Mobility Solutions division of the former Motorola, Inc. It sold this division to Zebra Technologies in 2014. Motorola Solutions also previously had a Networks division, which it sold to Nokia Siemens Networks in a transaction that was completed in 2011.
Zippia score 4.5
Comcast is one of the nation's leading providers of communications, entertainment and cable products and services. Headquartered in Philadelphia, PA, they employ over 100,000 employees nationwide whose goal is to deliver the highest level of service and improve the customer experience. Their products and services provide a significant value and are scalable to meet the needs of your organization. They treat customer service with the utmost importance; as such, they assign a dedicated account executive to your account to ensure the best customer experience. Their network is built to serve your business today and well into the future. So when you need carrier-grade data and Internet services for business-critical applications, choose America's leading enhanced fiber optic network, with speeds up to 100 Gbps, high reliability, and scalability.
Zippia score 4.4
Fiserv is a global organization with more than 13,000 clients and 21,000 associates worldwide and takes pride in its mission to enable clients to achieve best-in-class results. The company is highly regarded for its financial services technology and services innovation, including award-winning solutions for mobile and online banking, payments, risk management, data analytics and core account processing. Fiserv is helping its clients push the boundaries of what's possible in financial services, delivering deep expertise and innovative solutions to help financial institutions, businesses and consumers move and manage money faster and with greater ease than ever before.