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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 4.0
Zippia score 3.7
Sportrons is a sports marketing consulting agency that empowers brands to fully develop programs for strategic sports partnerships, new digital display media in venues, hospitality, concession branded items, integration of social media, on-site activation and live broadcasts. The company has created and developed the Jumbotron OOH Sports advertising video network which creates the ability for advertisers' placement on the digital Jumbotron displays, LED's and TV screens in sports venues. Sportrons was founded in 2009, based out of Severance, Colorado.
Zippia score 3.7
Follow us on Twitter: @CityOfSilvis
Zippia score 4.5
John Deere /ˈdʒɒnˈdɪər/ is the brand name of Deere & Company, an American corporation that manufactures agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains used in heavy equipment, and lawn care equipment.
Zippia score 3.6
Begin at R.P. Lumber for BEST SERVICE, Building Materials, Power Tools, Housewares, Plumbing, Lawn & Garden, and so much more. Order Online. Pickup In Store or Choose Professional Delivery.
Zippia score 4.6
Genesis Health System is a not-for-profit healthcare system based in Davenport, Iowa.
Zippia score 4.1
A cutting-edge, scalable solution to Americans' increasing demand for local and sustainable food, BrightFarms is pioneering the future of local, low-impact farming. We build, own, and operate local greenhouse farms that create permanent green-collar jobs and deliver fresh, great-tasting produce to homes across the country. BrightFarms' growing methods - a model for the future of scalable, sustainable local farming - use far less energy, land, and water than conventional agriculture. Fast Company recognizes BrightFarms as “One of the World's 50 Most Innovative Companies” and one of the “Top 10 Most Innovative Companies in Food” in the world.
Zippia score 4.3
Ora is the world's leading full-service ophthalmic CRO and product development firm with offices in the United States, the United Kingdom and Japan. Over the past 40 years, they helped their clients earn 43 product approvals. They support a wide array of organizations, from start-ups to global pharmaceutical and device companies, to efficiently bring their new products from concept to market. Ora's pre-clinical and clinical models, unique methodologies and regulatory strategies have been refined and proven across thousands of projects. They bring together the world's most extensive and experienced team of ophthalmic experts and R&D professionals to maximize the value of new product initiatives.
Zippia score 3.7
WesleyLife offers communities for healthy living and in-home resources for yourself or a loved one. Learn more to see what options best suit you.
Zippia score 3.7
To provide profitable solutions through trusted partnerships with members.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | National Railway Equipment Co. | |
| 2 | Sportrons | |
| 3 | City of Silvis |