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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 3.3
Providing a better quality of life for individuals with intellectual disabilities.
Zippia score 3.3
Zippia score 3.6
Zippia score 3.4
Elementary and secondary schools furnishing academic courses, ordinarily for kindergarten through grade 12. Included in this industry are parochial schools and military academies furnishing academic courses for kindergarten through grade 12, and secondary schools which furnish both academic and technical courses.
Zippia score 3.1
Establishments of licensed practitioners having the degree of M.D. and engaged in the practice of general or specialized medicine and surgery. Establishments operating as clinics of physicians are included in this industry.
Zippia score 4.5
Corning is a manufacturer of building materials including glass, ceramic, related materials and technologies, and more. It does have capabilities such as synergistic and versatile which allows the company to evolve to meet changing market needs and also helping their customers capture new opportunities in dynamic industries. The company manufactures and develops Gorilla Glass, which is used by many smartphone makers. Corning creates and makes keystone components that enable high-technology systems for consumer electronics, mobile emissions control, telecommunications, and life sciences. it also provides industry products including precision glass for advanced displays, connectivity solutions for state-of-the-art communications networks, clean-air technologies for cars and trucks, damage-resistant cover glass for mobile devices, and trusted products to accelerate drug discovery and delivery. Corning was founded in 1851 and is headquartered in Corning, New York, United States.
Zippia score 4.3
Hanson Professional Services Inc. (Hanson) is a national consulting firm providing engineering, planning and allied services. Call Hanson at 1-800-788-2450.
Zippia score 4.1
St. Moritz Security Services, Inc. has been providing government and industry with security officer solutions and security officer services for over 30+ years.
Zippia score 4.0
Our Mission is to fulfill the financial needs of our communities with exceptional personal service, professionalism and integrity, and deliver meaningful value and results for customers and shareholders.
Zippia score 4.3
MotoMart is a customer-first chain of convenience stores predominantly in the Midwest.
Zippia score 4.5
Midwest Air Traffic Control Service, Inc. provides contracted air traffic control and related services worldwide. Its air traffic control services include terminal, radar facilities, and procedural enroute control services. The company also provides air traffic control training services ranging from basic air traffic control to management and quality assurance. In addition, it offers weather reporting and related services to primary and secondary airports operated by the Federal Government, Department of Defense, and state and local airport authorities. Further, the company provides transient aircraft maintenance and ground handling services, including aircraft marshalling, parking, and direct aircraft support services; aerospace ground equipment support; and airfield management services. Furthermore, it offers control tower design/build consulting services, such as the production of mobile control towers. Midwest Air Traffic Control Service, Inc. was founded in 1978 and is headquartered in Overland Park, Kansas.
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 3.8
Zippia score 3.7
Murphy-Wall State Bank and Trust Company, the oldest bank in Perry County, Illinois, was established in 1874 by W. K. Murphy, George W. Wall, and George W. Parker. Until its incorporation as a state bank in 1907, the bank was known as "The Exchange Ban...
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Specialized Training-Adult | |
| 2 | VNA Tip Homecare | |
| 3 | Tri County Special Education | |
| 4 | Murphysboro High School | |
| 5 | Shawnee Health Service |