- 501
Elgin, IL · est. 2009
Electronics & Instruments
—
- 502
Chicago, IL · est. 2023
Apparel Accessories and Other Apparel Manufacturing
Small disadvantaged+2—
- 503
Plainfield, IL · est. 2006
Fabricated Metal · Transportation & Aerospace
Woman-owned—
- 504
Country Club Hills, IL · est. 2023
Apparel Accessories and Other Apparel Manufacturing
Small disadvantaged—
- 505
Lake Forest, IL · est. 1989
Industrial Chemicals & Gases · Plastics & Rubber
Woman-owned—
- 506
Elgin, IL · est. 1990
Medical Devices · Electronics & Instruments
$24K
- 507
Rolling Meadows, IL · est. 1985
Electronics & Instruments · Engineering & Testing
$3.9B
- 508
Chicago, IL · est. 2012
Transportation & Aerospace
—
- 509
Mchenry, IL · est. 1966
Plastics & Rubber
Woman-owned—
- 510
Mount Vernon, IL · est. 2023
Transportation & Aerospace · Industrial Distribution
—
- 511
Romeoville, IL · est. 1994
Perishable Prepared Food Manufacturing
Minority-owned—
- 512
Chicago, IL · est. 2020
Fabricated Metal
—
- 513
Lincolnwood, IL · est. 2009
Fabricated Metal
—
- 514
Skokie, IL · est. 1914
Fabricated Metal
—
- 515
Hettick, IL · est. 2023
Ceramics, Glass & Abrasives
Small disadvantaged—
- 516
Monticello, IL · est. 2006
Ceramics, Glass & Abrasives
Small disadvantaged+1—
- 517
East Alton, IL · est. 2017
Industrial Chemicals & Gases · Fabricated Metal
$77.6M
- 518
Waterloo, IL · est. 1981
Fabricated Metal · Plastics & Rubber
Small disadvantaged$20K
- 519
Carol Stream, IL · est. 1907
Primary Metals & Foundry · Fabricated Metal
$68.7M
- 520
Aurora, IL · est. 2025
Industrial Chemicals & Gases
Small disadvantaged+2—
- 521
Chicago, IL · est. 2022
Apparel Accessories and Other Apparel Manufacturing
Small disadvantaged+1—
- 522
Medical Devices
$165K
- 523
Chicago, IL · est. 2023
Fabricated Metal
Woman-owned+1$34K
- 524
Chicago, IL · est. 2025
Medical Devices
Small disadvantaged—
- 525
Woodridge, IL · est. 2008
Marking & Nameplates · Seals, Gaskets & Sealing
—
501–525 of 807