508,039 companies in Industrial & mechanical in Illinois.
Explore 508,039 Industrial & mechanical in Illinois listed with contact details, employee size, revenue, and NAICS/SIC codes. Compare suppliers and service providers side by side and reach the right companies directly, or view the same industry in Industrial & mechanical in California, Industrial & mechanical in Florida, Industrial & mechanical in Texas.
This list covers Illinois's machine shops, sheet metal and structural steel fabricators, metal stampers, plastic injection molders, platers and powder coaters, as well as industrial equipment makers, automation integrators and machinery distributors. Open a profile to see where each company is based and its NAICS code. Quote-to-order rates for these segments: Manufacturing sales by segment, 2026.
Of the 507,932 with a known headcount, 98% employ 1-50 people and 588 employ more than 1,000. 98% of those reporting revenue are under $10M, while 146 report more than $1B.
These pages show the first 480 of 508,039 companies. Narrow the list with the filters above or open one of the related lists below to see the rest.
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 495,585 | 97.6% |
| 51-200 | 9,030 | 1.8% |
| 201-1000 | 2,729 | 0.5% |
| 1001-5000 | 391 | 0.1% |
| 5001+ | 197 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 498,217 | 98.3% |
| $10M-$50M | 7,043 | 1.4% |
| $50M-$250M | 1,409 | 0.3% |
| $250M-$1B | 249 | 0.0% |
| $1B+ | 146 | 0.0% |
Share is of companies with a known value — 507,932 with headcount and 507,064 with revenue on file, as of Jul 17, 2026.
There are 508,039 Industrial & mechanical in Illinois in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
1,295 of the 508,039 companies in Industrial & mechanical in Illinois employ more than 500 people, and 146 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
Most are small and mid-sized businesses: the size and revenue tables above show the full spread, from under $10M up to $1B+, across the 507,064 companies with revenue on file.
Every listing includes the company name, location, website, employee size, revenue range where available, and NAICS/SIC classification, with a link to the full profile.
Listings are compiled and maintained by Factur, a sales and marketing firm for B2B manufacturers. Any company can request an update or removal from its profile page.