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

Zippia score 3.9
Haumiller provides high-speed automated assembly machines for high volume disposable products. We provide custom machinery for a range of industries, including manufacturers of medical devices, consumer products, food/beverage, electrical connectors and specialized aerosol equipment.
Zippia score 3.9
Custom Aluminum Products, Inc. is primarily engaged in extruding aluminum and aluminum base alloy basic shapes, such as rod and bar, pipe and tube, and tube blooms including establishments producing tube by drawing.
Zippia score 3.4
Global Leader in Custom Plastic Injection Molding, Creator of Lok-Family™ Closures. Celebrating 65 Years of Innovation & Best in Class Service.
Zippia score 2.7
Trust in our decades of experience to design and build injection molds for your business operation. Our company builds partnerships for mutual success.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Haumiller Engineering | |
| 2 | Custom Aluminum Products, Inc. | |
| 3 | Hoffer Plastics | |
| 4 | Armin Industries |