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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 4.6
MGA LLC provides high-grade, high-quality, and highly characterized products with complete documentation. They work with clients across the globe aiming to provide tools to improve the quality of Active Pharmaceutical Ingredients (APIs) offered to the population. In today's marketplace, quality and timeliness of delivery are essential for success.MGA aims at offering the highest quality of products to their customers, developed by custom synthesis .
Zippia score 4.3
Rjn 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 4.2
Providing workforce staffing solutions for oil & gas, chemical, renewable energy, engineering & construction, transmission & distribution, and ma...
Zippia score 3.8
Huck Bouma PC provides comprehensive legal services to closely held companies, individuals, and fiduciaries and beneficiaries of estates and trusts. Huck Bouma has earned a reputation as the premier law firm in Chicago's western suburbs by consistently...
Zippia score 3.7
Everest Engineering Co 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 3.7
Founded in 1879, the DuPage County Bar Association [DCBA] is a professional society for attorneys who practice and/or live in DuPage County, IL.
Zippia score 4.3
Metropolitan Family Services is a non-profit organization in Chicago.
Zippia score 4.1
TKC Holdings, Inc. is the parent company for Trinity Services Group, Keefe Group, and Courtesy Products. This makes us one of the nation's largest providers of
Zippia score 4.0
Since 1987, they have built their company upon a belief that having strong personal relationships with their clients, and providing reliable, accurate and professional services is the driving force of their success and continued growth. Lexitas is a professional family of litigation support companies that offers an array of litigation support services including expert court reporting, state-of-the-art realtime and internet deposition services, and specialized medical records retrieval services for plaintiff counsel, defense counsel, corporations and insurance companies.
Zippia score 3.6
SSR is a leader in providing comprehensive engineering design and facility consulting services that consistently meet and exceed these expectations.
Zippia score 3.5
Tracing its history to 1894, the law firm of HeplerBroom LLC is one of the most experienced and distinguished law firms in the Midwest. The Firm's commitment to providing quality legal services that are responsive, innovative, and efficient has enabled...
| Rank | Company | Zippia score |
|---|---|---|
| 1 | MGA Services | |
| 2 | RJN Group | |
| 3 | Per Sé Group | |
| 4 | Huck Bouma PC | |
| 5 | EVEREST ENGINEERING | |
| 6 | DuPage County Bar Association |