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

Zippia score 4.1
With Offices in Belleville, and Edwardsville, Illinois, and St. Louis and Perryville, Missouri. Since the firm's founding in 1984, Mathis, Marifian & Richter, Ltd. has proudly served hundreds of Southern Illinois and St. Louis Metropolitan area clients seeking effective legal solutions.
Zippia score 3.8
Family Hospice brings compassionate, professional care to individuals experiencing a terminal illness in Southern Illinois
Zippia score 3.6
Caritas Family Solutions is dedicated to helping people in crisis by providing healthy relationships, loving homes, and building strong communities.
Zippia score 3.5
Kuhlmann Design Group, Inc is primarily engaged in providing professional engineering services. Establishments primarily providing and supervising their own engineering staff on temporary contract to other firms are included in this industry.
Zippia score 4.8
Thompson Coburn LLP is a US law firm with offices in Chicago, Dallas, Los Angeles, New York, Southern Illinois, St.
Zippia score 4.5
Hinshaw & Culbertson LLP is a U.S. based law firm with offices nationwide and in London. The firm's national reputation spans the insurance industry, the financial services sector and other highly regulated industries. Hinshaw also serves as counsel to...
Zippia score 4.3
We are a law firm offering comprehensive legal services for business operations, with offices and attorneys based in St. Louis, Chicago and Southern Illinois.
Zippia score 4.2
Driven to help our clients achieve the highest value possible for the infrastructure they build and manage.
Zippia score 4.1
Lutheran Child and Family Services of Illinois is a social services agency serving children and families of all faiths, races, oreintations and ethnic backgrounds.
Zippia score 4.0
Labor Finders is the leader in blue collar day labor and industrial staffing.
Zippia score 3.9
Culligan San Paso Co. is primarily engaged in the retail sale of specialized lines of merchandise, not elsewhere classified, such as artists' supplies; orthopedic and artificial limbs; rubber stamps; pets; religious goods; and monuments and tombstones.
Zippia score 3.2
NST Law has recovered over $1.5 billion on behalf of victims and their families, and we have represented injured victims for over 32 years.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Mathis | |
| 2 | Family Hospice | |
| 3 | Caritas Family Solutions | |
| 4 | Kuhlmann Design Group, Inc |