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36,994 companies in Cambridge, Massachusetts.
Find 36,994 companies in Cambridge, Massachusetts. 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 Boston, Worcester, Springfield.
Of the 36,613 with a known headcount, 96% employ 1-50 people and 89 employ more than 1,000. 96% of those reporting revenue are under $10M, while 47 report more than $1B.
These pages show the first 120 of 36,994 companies. Narrow the list with the filters above or open one of the related lists below to see the rest.
Cambridge, Massachusetts companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 35,205 | 96.2% |
| 51-200 | 966 | 2.6% |
| 201-1000 | 353 | 1.0% |
| 1001-5000 | 62 | 0.2% |
| 5001+ | 27 | 0.1% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 33,811 | 95.8% |
| $10M-$50M | 1,096 | 3.1% |
| $50M-$250M | 244 | 0.7% |
| $250M-$1B | 97 | 0.3% |
| $1B+ | 47 | 0.1% |
Share is of companies with a known value — 36,613 with headcount and 35,295 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are in Cambridge, Massachusetts?
36,994 companies in the directory are located in Cambridge, Massachusetts.
How many large companies are in Cambridge, Massachusetts?
164 of the 36,994 companies in Cambridge, Massachusetts employ more than 500 people, and 47 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Cambridge, Massachusetts 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 35,295 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.