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11,916 companies in Des Plaines, Illinois.
Find 11,916 companies in Des Plaines, Illinois. From manufacturers to industrial suppliers, each listing carries the firm's address, website, size, and NAICS/SIC codes. You can also browse nearby cities such as Chicago, Naperville, Rockford.
Of the 11,810 with a known headcount, 97% employ 1-50 people and 21 employ more than 1,000. 98% of those reporting revenue are under $10M, while 14 report more than $1B.
These pages show the first 120 of 11,916 companies. Narrow the list with the filters above or open one of the related lists below to see the rest.
Des Plaines, Illinois companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 11,498 | 97.4% |
| 51-200 | 209 | 1.8% |
| 201-1000 | 82 | 0.7% |
| 1001-5000 | 16 | 0.1% |
| 5001+ | 5 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 11,298 | 97.6% |
| $10M-$50M | 195 | 1.7% |
| $50M-$250M | 63 | 0.5% |
| $250M-$1B | 9 | 0.1% |
| $1B+ | 14 | 0.1% |
Share is of companies with a known value — 11,810 with headcount and 11,579 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are in Des Plaines, Illinois?
11,916 companies in the directory are located in Des Plaines, Illinois.
How many large companies are in Des Plaines, Illinois?
38 of the 11,916 companies in Des Plaines, Illinois employ more than 500 people, and 14 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Des Plaines, Illinois companies?
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 11,579 companies with revenue on file.
What information is included for each company?
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.
Where does this directory come from?
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.