Explore jobs
Find specific jobs
Explore careers
Explore professions
Best companies
Explore companies
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 4.5
For more than 25 years, INTREN has served as an innovative utility solutions partner, building and maintaining the infrastructure of the energy industry. They are a leader in the development and execution of premier design, construction and management solutions for many of the country's foremost utility companies, private contractors and developers, municipalities and cooperatives. Driven by our core values of safety, integrity, customer focus and employee empowerment, INTREN's vision is to OutPerform Everyday as the measure of excellence in our industry. They are committed to earning trust as stewards of our customers' priorities, their communities' interests and their company's success
Zippia score 4.1
Promotional bags and products for all your marketing needs
Zippia score 4.1
Customer satisfaction, process management, continuous improvement and employee involvement to ensure success for our customers and the company.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | INTREN | |
| 2 | Bag Makers | |
| 3 | New Dimensions Precision Machining |