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Companies in Schaumburg, Illinois

18,825 companies in Schaumburg, Illinois.

Find 18,825 companies in Schaumburg, 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.

18,825Companies
97500+ employees
23$1B+ revenue
96%Revenue on file
Jul 17, 2026Last updated
Chk Trans LLCSchaumburg, Illinois, United StatesShaili ShahSchaumburg, Illinois, United States · Healthcare & Life ScienceAdvance-tec Solutions LLCSchaumburg, Illinois, United States · Industrial & mechanicalLta Express LLCSchaumburg, Illinois, United StatesZeta Global LLCSchaumburg, Illinois, United States · Industrial & mechanicalAmg Washing LLCSchaumburg, Illinois, United States · ConsumerNicole's Specialty GiftsSchaumburg, Illinois, United StatesPaula RoneySchaumburg, Illinois, United States · ConsumerCooper's Finest LLCSchaumburg, Illinois, United Statesq IndustriesSchaumburg, Illinois, United StatesSar Orland Food IncSchaumburg, Illinois, United StatesVland Glen Ellyn Nicoll LLCSchaumburg, Illinois, United States · Industrial & mechanicalTommye G IncSchaumburg, Illinois, United States · Industrial & mechanicalDerby | ReynoldsSchaumburg, Illinois, United StatesAgileeyiSchaumburg, Illinois, United States · Industrial & mechanicalTrivedi & KhanSchaumburg, Illinois, United States · Industrial & mechanicalCabo Partners LLCSchaumburg, Illinois, United States · Industrial & mechanicalQualityElite RestorationSchaumburg, Illinois, United States · ConsumerPh8Schaumburg, Illinois, United States · ConsumerZenleads.comSchaumburg, Illinois, United StatesGrc Services IncSchaumburg, Illinois, United States · Industrial & mechanicalJanibharet.usSchaumburg, Illinois, United StatesChicagoland HVACSchaumburg, Illinois, United StatesCarrie Beth SummersSchaumburg, Illinois, United States · Healthcare & Life Science
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Schaumburg, Illinois companies by size and revenue

By number of employees
EmployeesCompaniesShare
1-5017,82495.8%
51-2005192.8%
201-10002181.2%
1001-5000260.1%
5001+140.1%
By annual revenue
RevenueCompaniesShare
Under $10M17,27495.9%
$10M-$50M5092.8%
$50M-$250M1791.0%
$250M-$1B250.1%
$1B+230.1%

Share is of companies with a known value — 18,601 with headcount and 18,010 with revenue on file, as of Jul 17, 2026.

Frequently asked questions

How many companies are in Schaumburg, Illinois?

18,825 companies in the directory are located in Schaumburg, Illinois.

How many large companies are in Schaumburg, Illinois?

97 of the 18,825 companies in Schaumburg, Illinois employ more than 500 people, and 23 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.

What size are most Schaumburg, 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 18,010 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.